yieryi online manufacture

Dogs / Cats Clinical Refractive Index Refractometer ATC With Aluminum Construction Feature: Automatic Temperature Compensation (ATC) Range: 10C-30C(50F to 86F) Heavy duty Equipped with scale measurement that ... Read More

Hand Held Optical 4 in 1 AdBlue Urea / Battery / Antifreeze / Cleaner Fluid Car Refractometer Features: 1. Test 4 concentration: Ethylene Glycol, Propylene Glycol, Battery Fluids, and Cleaning Fluids 2. Test ... Read More

PH Powder Calibration Solution pH4.00, pH4.01, pH6.86, pH 7.00, pH9.18, pH10.01 specifications: 5x PH 4.01 5x PH 6.86 5x PH 7.0 5x PH 9.18 5x PH 10.01 Features: As this is a powder, in a sealed packet there is ... Read More

20 set pH test strips 80 Strips Full PH Meter PH paper 1-14st Indicator Litmus Paper Features: 100% Brand new and high quality There is a strong correlation between the pH of the body's internal environment and ... Read More

PH 5.5-9.0 Test Indicator Paper Litmus Strips 100pcs/box Test paper using method: 1. test solution: take a piece of paper on the surface of the dish or glass, to be soaked in liquid glass rod or a dropper to ... Read More

PH Indicator PH 3.8-5.4 Test Indicator Paper Litmus Strips The product description 1. Standard color card 2. High quality ph paper 3. Indentation design 4. Moisture proof packaging 5. ph value: 3.8-5.4 6. Fancy ... Read More

1 box 20 set pH test strips 80 Strips Full PH Meter PH paper 1-14st Indicator Litmus Paper Features: 100% Brand new and high quality There is a strong correlation between the pH of the body's internal ... Read More

Test Paper Water Indicator Litmus Testing For Gardening Aquarium Plant Analysis Plant Instrument ph 1-14 Function Box material: plastic Paper length: 5m / 16ft Scale Reads From 1 to 14: 1 - 3 indicates a very ... Read More

Test Paper Water Indicator Litmus Testing For Gardening Aquarium Plant Analysis Plant Instrument ph 0-14 Function Box material: plastic Paper length: 5m / 16ft Scale Reads From 1 to 14: 0 - 3 indicates a very ... Read More

refractometer Brix & salinity refractometer 0-32%brix/0-28% salinity Features: Determines the amount of dissolved salt and dissolved solids Approved by strict quality and safety standards Durable and built to ... Read More