Xi‘an HL Petroleum Equipment Co., Ltd ( Short named as HL solid control) is a hi-tech professional manufacturer of petroleum solid control equipment, the production base is located in the Feng Jing Industry Park of Hu Xian, Xi‘an, cover more than 20000m² and the total asset is more than ￥30,000,000. Our company has 80 employees, and we have the NC cutting machines, automatic arc-submerging welder, large fully automatic machine, X-ray detection apparatus, Hydrostatic pressure testing equipment, hoisting and transport equipment, etc, more than 70 sets related equipment. And the rich technical strength and talent production capacity has laid a solid foundation for the company constantly product quality improvement. HL solid control is research and develope, and design the equipment on the basis of the defect occur on pre-experience conclusion and practical application, and also explored the same industry advantage of the equipment.