Zhejiang ALWSCI Technologies Co.,Ltd is one of the leading China 5mm inserts for standard opening vials manufacturers and suppliers, welcome to wholesale cheap 5mm inserts for standard opening vials, 150 ul insert, micro insert from us.

FEATURES

1. Inserts vials are an economical choice for many routine HPLC applications.
2. PolySpring inserts are self aligning and provide a cushion against needle contact. 

http://www.alwsci.com/