国产一级在线观看-国内性爱视频-国产成人精品无码免费看夜聊软件-激情久久av-欧美大片在线免费观看-国产一区二区三区毛片-国产精品51-久久激情婷婷-成人网免费看-娇妻av-成人一区二区三区免费

Provide a variety of types, specifications of the column loading services;

Domestic preparative column and import preparative column reloading are provided.

Process development services that customers have purchased

Regular continuous flow technology training, to bring you the most cutting-edge separation and purification technology

Prepare mg and g samples according to the conditions provided by the customer

The customer provides the sample, after the hui DE yi fumble the preparation process, prepares the sample for the customer

Fifteen years experience in chromatographic separation and purification

All kinds of separation materials and equipment are available