Founded in July 1983 with a registered capital of 326.5 billion yuan, China Petrochemical Group Co., Ltd. is a super large petroleum and petrochemical enterprise group, mainly engaged in industrial investment and investment management; exploration, exploi
With the LCD splicing screen gradually occupying the market, it has become the mainstream product of indoor large screen display, but people's requirements for splicing screen products are also higher and higher. The color difference problem is a comm
Rizhao bright environmental protection technology Co., Ltd. is specialized in the design, construction and general contracting of municipal sewage and industrial wastewater engineering; the design, construction and general contracting of flue gas desulfur
Shenzhen Pingshan drainage Co., Ltd. is committed to the operation, maintenance and management of urban rainwater, sewage and water pump station and drainage pipe network, pipeline endoscopic detection, water conservancy project and water facilities "