The development prospect of oil casing
Heat treatment technology of oil casing
Oil casing material, oil pipe, oil pipe material and collar material increased by 550 yuan/ton
The US is the world's largest oil reserve!
Wish all customers a happy Mid-Autumn Festival in advance
Warmly celebrate the successful launch of the website of Tianjin Jinggong Petroleum Special pipe Fittings Co., LTD! Welcome to visit.
Tianjin Jinggong Petroleum Special Pipe Fittings Co., Ltd.
The company advocates: health, safety, environmental protection of the business philosophy, wholeheartedly with the vast number of domestic and foreign users, common development...