4AD（4-androstenedione）/ Androstenedione（99%+） CAS NO.63-05-8 CAS NO.63-05-8

filter is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates in china.

2. the yearly production capacity is 50000mt, 80% for export.we have a professinal export team. both by air and by sea,we ensure that we meet the customer expectations with promptness.
3. our company facing global high-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and rare chemicals trade. corey have well-equipped machine, strong technical force and considerate marketing team service.
4. we also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.