Flocked Swab, Pipette Filter Tips, Vtm Kits manufacturer / supplier in China, offering Factory Direct Supply High Accuracy pH Test Paper 0-14 & 1-14 for Laboratory/Water/Soil/Industrial Use, 10ml 25ml 50ml 100ml Plastic Reagent Reservoirs Sterile Reagent Reservoir Trough for Lab Use, Laboratory Use Sterile Reagent Reservoir Trough Disposable Reagent Reservoir 50ml and so on.