- Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
- China Manufacturer with main products:petroleum testing instrument ,asphalt testing instrument ,laboratory instrument ,oil testing instrument
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- GD-6536A Atmosphere Temperature Oil Boiling Range Tester ASTM D86
- GD-17144 ASTM D4530 Gold Micro Carbon Residue Analyzer
- GD-510D ASTM D2500 Cloud Point Analyzer&ASTM D97 Pour Point Analyzer
- GD-264 Acid Value and Acidity Value Tester for Petroleum Products
- GD-1884 ASTM D1298 Crude Petroleum Relative Density Meter
