潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Hangzhou Chemipanda Bio-Tech Co., Ltd, founded in China in 2010, is a chemistry-based manufacturer specialized in custom synthesis of intermediates for drug discovery and API production, especially in rare chemicals. Covering an area of 500 sq.m. R&D laboratory and one CGMP pilot plant, we can provide Custom Synthesis, Custom Manufacture for intermediates and APIs, Contract services by project or FTE and Sourcing starting materials from milligrams to quintals.

Located in the west of Hangzhou,zhejiang province，China, next to Zhejiang University, our company keeps good cooperation with Zhejiang University and Hangzhou Normal University. Our research cover various fields and specialized in reactions as follows:△1. Palladium-catalyzed coupling reactions, such as Suzuki coupling, Heck reaction, Sonogashira coupling, Buchwald-Hartwig amination, etc. △2. Water and Oxygen free reactions under low temperature (-78℃), such as Swern oxidation, formylation or acetylation of aryl or heterocyclic bromides, preparation of boronic acids, etc.△3 Hydrogenation, including high-pressure and atmospheric pressure with various catalysts such as Raney Ni, Pd/C, Pd(OH)2, PtO2, ect. △4. Others, reductive amination, Mitsunobu reaction, Curtius rearrangement, Strecker reaction, Schiemann reaction, Gabriel’s primary amine synthesis, Wittig Reaction, ect.