1242056-42-3

N-[1,1'-Diphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluoren-2-amine

Min.Order: 1 Gram

FOB Price:  USD $ 34.0-34.0

Product Description Product Name N-[1,1'-Diphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol -3-yl)phenyl]-9H-fluoren-2-amine CAS No. 1242056-42-3 Appearance White powder Assay

Jinan Finer Chemical Co., Ltd is professional to manufacture and R&D chemical intermediates, pharmaceutical intermediates and fine chemicals. Company locates in Jinan city new mate

High purity and quality 1242056-42-3 N-[1,1'-Diphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluorene-2-amine

Min.Order: 100 Gram

FOB Price:  USD $ 0.0-0.0

Puyang Huicheng Electronic Material Co., Ltd was founded in 2002, which is focus on high complex new type intermediates and fine chemical custom synthesis, LED&OLED materials and related intermediates, catalyst design and synthesi

Located in Puyang and founded in 2002 , Puyang Huicheng Electronic Material Co., Ltd. is a corporation applied itself to research , development , manufacture trade based on mo

Factory Price OLED 99% 1242056-42-3 9H-Fluoren-2-amine,N-[1,1'-biphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- Manufacturer

Min.Order: 1 Gram

FOB Price:  USD $ 0.1-0.1

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Xi'an Xszo Chem Co. Ltd is a wholly-owned subsidiary of the SZO Chem Group. SZO Group is composed of Xi'an Xszo Chem Co. Ltd & Shaanxi SZO Tech Co., Ltd. SZO industry Group have mo

Casno:

1242056-42-3

MSDS/COA Download

N-[1,1'-Biphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluoren-2-amine

Min.Order: 1 Kilogram

FOB Price:  USD $ 2.0-3.0

Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. Near 20 years DayangChem has provided dif

Dayang Chem (Hangzhou) Co.,Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredi

N-[1, 1'-Diphenyl]-4-Yl-9, 9-Dimethyl-N-[4- (9-phenyl-9H-carbazol-3-yl) Phenyl]-9h-Fluorene-2-Amine 1242056-42-3

Min.Order: 1 Kilogram

FOB Price:  USD $ 1.0-10.0

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu

Our company specializes in processing and selling chemical raw materials, chemical th Asia, Europe, America, Africa and other more than 20 countries and regions. ? Companies adheri

Pharmaceutical Grade CAS 1242056-42-3 with competitive price

Min.Order: 1 Kilogram

FOB Price:  USD $ 139.0-210.0

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Zhuo Zhou Wen Xi Import and Export Co., Ltd. is a company mainly engaged in the export of pharmaceutical raw materials. Its parent company is （Wen Xi Pharma）, including three subs

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- cas1242056-42-3

Min.Order: 1 Kilogram

FOB Price:  USD $ 7.0-10.0

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

Hebei Sankai Chemical Technology Co., Ltd. is a new chemical enterprise integrating the research, manufacturing and supply of chemicals. Located in the beautiful "cattle city" Xing

Biphenyl-4-yl-(9,9-dimethyl-9H-fluoren-2-yl)-[4-(9-phenyl-9H-carbazol-3-yl)-phen

Min.Order: 1 Kilogram

FOB Price:  USD $ 1.0-1.0

Product Name: 9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- Synonyms: 9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H

Welcome to Henan Sinotech! Sinotech Corporation has exceptional sourcing ability for chemicals used in Organic Fine Chemicals and APIs; Inorganic chemicals; Flame Retardants;OLED

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- 1242056-42-3

Min.Order: 1 Kilogram

FOB Price:  USD $ 0.0-0.0

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Shanghai Upbio Tech Co.,Ltd (Former Onchem (China)Co.,Ltd) is a comprehensive manufacturer and an international distribution of chemicals throughout the world, The predecessor of

N-[1,1'-Diphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluoren-2-amine

Min.Order: 0 Metric Ton

FOB Price:  USD $ 0.0-0.0

1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers 3.Safe a

Wuhan Fortuna Chemical Co., Ltd, located in the predominant Wu Han City where is a traffic hinge of China, is a big integrative chemical enterprise being engaged in producing and

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- CAS: 1242056-42-3

Min.Order: 1 Gram

FOB Price:  USD $ 0.0-0.0

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- CAS: 1242056-42-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, produc

Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, speciali

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 100 Gram

FOB Price:  USD $ 0.0-0.0

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

Triumph International Development Limilted is engaged in the API, pharmaceutical intermediates research and developmen.Adhering to the "customer first" business philosophy,we suppl

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 10 Kilogram

FOB Price:  USD $ 0.0-0.0

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Wuhan Han Sheng New Material Technology Co. Ltd is a professional company which specialized in manufacturing and selling chemical raw materials, chemical products, pharmaceutical i

N-[1,1'-Diphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluoren-2-aMine

Min.Order: 4 Kilogram

FOB Price:  USD $ 0.0-0.0

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

T&W GROUP was established in 2007, headquartered in Shanghai, China. By integrating people, technology and potential, we endeavor to work for a better life. We are in the business

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

J&H Chemical is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 10 Gram

FOB Price:  USD $ 100.0-100.0

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Hangyu Biotech is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and O

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 100 Gram

FOB Price:  USD $ 100.0-2000.0

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

SHANGHAI SYSTEAM BIOCHEM CO., LTD. is one of the professional suppliers in Chinese pharmaceutical market and is specialized in custom synthesis, chemical/pharmaceutical/ pesticides

Best Price 1242056-42-3 Direct Manufacturer Biphenyl-4-yl-(9,9-dimethyl-9H-fluoren-2-yl)-[4-(9-phenyl-8a,9-dihydro-4bH-carbazol-3-yl)-phenyl]-amine in china

Min.Order: 1 Gram

FOB Price:  USD $ 0.0-0.0

advantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packaging

Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various

N-[1,1'-Biphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluoren-2-amine

Min.Order: 1 Kilogram

FOB Price:  USD $ 0.0-0.0

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Zibo Dorne chemical technology co., LTD. is a biotechnology enterprise engaged in the R&D, production and sales of drugs, steroids, peptides, raw materials, vitamins, food additive

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-CAS NO.: 1242056-42-3

Min.Order: 1 Kilogram

FOB Price:  USD $ 5.0-5.0

We are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...)

The company is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds,

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 1 Kilogram

FOB Price:  USD $ 18.0-20.0

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Founded in 2008, East Chemsources Limited is a professional manufacturer of supplier in food and beverage, pharmaceuticals, cosmetics and other industries. pharmaceutical field in

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 1 Gram

FOB Price:  USD $ 0.0-0.0

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, s

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 10 Gram

FOB Price:  USD $ 0.0-0.0

Our company advantages: 1 The highest quality with the competitive price. 2、 Professional human services. 3、 The fastest and safest delivery service. 4、Our old customers all around the world. 5、 The high purity products. 6、We have a suf

Hangzhou Yunuo Chemical Co., Ltd. is located in Hangzhou City, China We are specialized in fine chemicals and basic chemical auxiliary materials, Organic compounds, rubber

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 1 Metric Ton

FOB Price:  USD $ 1.5-1.5

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

KAISA GROUP INC.is the enterprise which is specialize in manfacturing and exporting avariety of Chemical in China. We have the strong economic base and comprehensive technology.We

9H-?Fluoren-?2-?amine, N-?[1,?1'-?biphenyl]?-?4-?yl-?9,?9-?dimethyl-?N-?[4-?(9-?phenyl-?9H-?carbazol-?3-?yl)?phenyl]?- manufacture

Min.Order: 1 Gram

FOB Price:  USD $ 0.0-0.0

Product name:9H-?Fluoren-?2-?amine, N-?[1,?1'-?biphenyl]?-?4-?yl-?9,?9-?dimethyl-?N-?[4-?(9-?phenyl-?9H-?carbazol-?3-?yl)?phenyl]?- CAS number:1242056-42-3 Molecular formula:C51H38N2 molecular weight:678.86100

Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketi

N-[1,1'-Diphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluoren-2-amine

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

Suzhou Health Chemicals Co., Ltd. is A Fine Chemicals Company, specializing in research, development, manufacture and distribute raw materials for pharmaceutical, healthcare, bioch

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 1 Metric Ton

FOB Price:  USD $ 1.0-1.0

We are a Union of chemistry in China, consists of chemists，engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

We are a Union of chemistry in China, consists of chemists，engineers, laboratories,factories in China. We organize surplus capacity of R&D and production in China for chemicals cus

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- cas no. 1242056-42-3 98%

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Established in 2007, Win-Win chemical CO., Ltd is a privately held corporation headquartered in Wenzhou Longwan Industry Distric, dedicated to the global pharmaceutical companies a

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

GIHI CHEMICALS CO.,LIMITED, its former company is a small manufacturer who is specialized in the production of ester products which are used in the daily chemicals ,cosmetic produc

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- CAS 1242056-42-3

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

Wuxi TAA Chemical Industry Co.,Ltd., established in 2010, is a key chemical manufacturer and supplier in China. In 2010, three young chemists from a local large state-owned chemi

n-(1,1'-diphenyl)-4-yl-9,9-dimethyl-n-(4-(9-phenyl-9h-carbazol-3-yl)phenyl)-9h-fluoren-2-amine

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

manufacture Application:The refence standard products, for lab use, also we could produce bigger quantity on yr requirement.

Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which doing import and export business by its own comp

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

1.Our services：A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Our company engages in Electronic chemicals such as OLED，Photoresist chemical，Electrolyte additive and Intermediate Pharmaceutical production; development of noble metal catalysts,

N-([1,1'-biphenyl]-4-yl)-9,9-dimethyl-N-(4-(9-phenyl-9H-carbazol-3-yl)phenyl)-9H-fluoren-2-amine

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

N-([1,1'-biphenyl]-4-yl)-9,9-dimethyl-N-(4-(9-phenyl-9H-carbazol-3-yl)phenyl)-9H-fluoren-2-amineAppearance:power Storage:normal Package:PE bag/ BOX Application:Pharmaceutical Intermediates,Organic Intermediates,Oled Transportation:by air/sea/courier

Antimex Chemical Limied, was founded in 2001, we are specializing in manufacturing & researching of Active pharmaceutical Ingredients,Veterinary pharm APIs,cosmetic ingredients,and

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

Hangzhou Ocean Chemical Co.ltd is a comprehensive chemical enterprise which mainly integrates R&D, production, marketing business of chemical in lab-pack, semi-bulk and bulk-quanti

9H-Fluoren-2-amine, N-[1,1'-biphenyl]-4-yl-9,9-dimethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou . We are a high-tech enterprise specialized in technical research and development, produc

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]- Application:9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-

Hubei Xinrunde Chemical Co., Ltd. dedicated to the development, production and marketing of chemicals which is specialized in Organic compounds; Active Pharmaceutical Ingredient(s)

9H-Fluoren-2-aMine, N-[1,1'-biphenyl]-4-yl-9,9-diM CAS No.1242056-42-3

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Guangdong Juda Chemical Industrial Co.,Limited is a company specializing in APIs,pharmaceutical intermediates, electronic chemicals, plant extracts,fine chemicals and cosmetics raw

N-[1,1'-Diphenyl]-4-yl-9,9-diMethyl-N-[4-(9-phenyl-9H-carbazol-3-yl)phenyl]-9H-fluoren-2-aMine

Min.Order: 0

FOB Price:  USD $ 0.0-0.0

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg，customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran

Wuhan Circle Star Bio-medic Technology co.,Ltd is located in wuhan, the central city of China, the core of the Changjiang river economic belt and known as the "thoroughfare of nin