Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd.: Mainly produces rotary drill pipes, full follow-up casings, pipe jacking machines, pipe rolling machines and various casings in the full-rotation industry. Chengdu, Guiyang branch company mainly sells and maintains a series of drilling tools and drill pipes.

Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd. is affiliated to Langfang Yilunkai Group Company. Langfang Yilunkai Group Co., Ltd. was established in July 2006 (its predecessor was Quansheng Machinery Processing Factory and was founded in 1992). It has 3 subsidiaries, 2 branches, 2 offices, and a total registered capital of 5000 Ten thousand yuan. The company has 718 employees, including 89 professional and technical personnel and 48 senior titles. The company has a large number of advanced production equipment, has a strong production flow and strong foundation construction capabilities, the current production and operation of fixed assets have reached 1.2 billion yuan.

The company's main business:

1. Rotary drilling tools series.

2. Follow up with casing and punching grab series.

3. Rotating drill pipe series. The company adheres to the concept of "quality first, reputation first, customer first", scientific management, standardized operation, continuous improvement, and customer satisfaction.