... ,5GS,5GS Good quality, Competitive price Made in China Refrigeration Compressor Freezer Oil 5GS,4GS,3GSBrand:GULUNModel:3GS,4GS,5GSTesting3GS4GS5GSconsistency15°c ... -22 175°c C*14Days 0.2 0.4 -Please contact me freely if you have any requirement for our products ... we can start our business in an early day. Refrigeration Compressor Freezer Oil 5GS,4GS,3GS