久久久久国产精品aⅴ天堂,成人性生交A片免费直播APP ,男女扒开双腿猛进入爽爽免费,日本JAPANESE少妇高清

 

Hebei Zhuangkai Biotechnology Co.,Ltd. mainly produces pharmaceutical raw materials, pharmaceutical intermediates and refined products.Our company is one of the important export enterprises producing pharmaceutical raw materials, pharmaceutical intermediates and other products in China.We have advanced production equipment and testing instruments, so that the products reach the world's leading level, since the establishment of the company by domestic and foreign customers, the products are mainly sold to the United States and Europe and other countries.

 

On the export business of pharmaceutical raw materials and intermediates, the company relies on many years of accumulated experience and high quality reasonable talent structure, accurately grasp the market, not only with some well-known domestic manufacturers to establish long-term stable strategic cooperative relationship in the global pharmaceutical chemical raw materials and pharmaceutical intermediates market also won a loyal customer base and strong strategic partners, set up a medical technical industry professional image.