About products and suppliers
1740 tester vial caps products are offered for sale by suppliers on Alibaba.com, of which glass bottles accounts for 91%, capping machines accounts for 1%, and lids, bottle caps & closures accounts for 1%.
A wide variety of tester vial caps options are available to you, such as non spill, eco-friendly and recyclable.You can also choose from as, stainless steel and composite material tester vial caps,as well as from beige tester vial caps