开开援生制药股份有限公司现为上市公司上海开开实业集团的成员企业，主要生产、经营中西药品和化学原料药等。公司下设六个车间、七个职能管理部门、一个中心化验室和一个分公司。主要产品为大输液、针剂、片剂、胶囊剂、酊剂、合剂、颗粒剂和原料药等八大剂型150多个品种。
公司历经35年的创业，现已成为国家大型二类制药企业，拥有进出口自营权。目前于中国药科大学等十几家科研院校建立牢固的科技联挂关系，使企业新产品层出不穷。全部通过国家GMP认证的生产车间汇集成中药保护品种和新药产品的生产基地。
公司拥有完善的销售网络，产品覆盖全国各地，原料药几部分制剂远销东南亚剂欧美各国。
近年来，公司获得“国家大型二类企业”、“五一劳动奖状”、“质量管理奖”、“重合同守信用企业”、“园林单位”和“经济效益显著单位”。
Kaikai yuansheng Medicine Co.,Ltd,the subsidiary company of Shanghai Kaikai Industry Co.,Ltd,mainly manufactures and markets Chinese and Western medicianl preparations as well as ingredients.
Consist of seven workshops,Eight management departments,Kaikai Yuansheng is able to deal with seven dose types including intravenous injection,tablet,capsule ,capsule,tincture,granule,oral liquid and ingredient and manufacture more 150 kinds of products.
Whit over thirty-eight years"history,Yuansheng has developed manufacturer and trader with I&E rights in pharmaceutical circle .The company pays great attention to R&D so new products are developed all the time through cooperating with more 20 science institutes ,Besides,all GMP-Certified workshops gather together to form the production base of New medicines and State-Protected Herbal Medicines.
The extensive sales networks has stretched almost nationwide .Not only the raw materials,Trimebutine Maleate but also part of the preparations have been exportend to South-East Asia,some European Garden unit and South-America countries