Heilongjiang Ruijian Petroleum Equipment Co., Ltd. is a technology-based company, It can produce many kinds of products,  such as API Tubing and Casing, Couplings, Premium Connection Tubing and Casing, Seamless Steel Pipe for Geologic Drilling, etc., Its products are widely used in fields including oil exploitation, geological exploration and geothermal energy development. Our company aims to meet all customers' needs.