On July 27, 2015, Great Wall Lubricating Oil Blue Purifier was tested by SGS Standard Technical Services (Shanghai) Co., Ltd., an authoritative international testing agency. The results showed that the urea content, refractive index, and metal content of Jia Lan 19 indicators such as elements and aldehydes meet the national standard requirements. Great Wall Lubricant Jialan Blue Cleaner has passed the SGS authoritative test and laid a good technical foundation for the promotion and application of this product in domestic and international markets. Spare Part Of Fracturing Pump,Concrete Pump Spare Parts,Pump Spare Parts,Spare Part Main Pump Jiangyin Yida Machinery Manufacturing Co.,Ltd. , https://www.yidamachinery.com