成人无码高潮av在线观看_欧洲极品少妇_夂久亚州精华国产精华华液_在线观看亚洲AV每日更新无码_亚洲国产精品无码久久一线_亚洲精品区午夜亚洲精品区

Chemvak

Chemvak是德國Shinetek Instruments旗下經(jīng)營真空設(shè)備的品牌，其主要產(chǎn)品有：真空泵、真空過濾器、真空產(chǎn)品附件等。

Shinetek Instruments
Shinetek Instruments Research Institute is a manufacturer of high quality laboratory equipment based in Beijing, China. We started out as distributor for laboratory equipment and soon became an exclusive distributor for most reputable lab equipment manufacturers. After being established as a well-respected and highly successful distributor all around China, we made the successful transition from the mere distribution to the actual production of high level laboratory equipment.
Since 2006 we produce top-quality laboratory equipment and, by making use of our well-established distribution network, we were able to quickly establish our products in the domestic market.