Anqing Great Wall Pipeline Company is committed to provide safe, reliable, flexible and economical solutions for hot tapping and line stop for pressurized water, NG or oil piping system worldwide for many years.

VORTEX Qingdao pipe fitting Co., Ltd., as a big and professional manufactural factory based in Qingdao city of China, we have three casting foundries, our main products are ductile casting iron products for water-supplying pipeline field and power cable/fyber cable protection articulated pipes in submarine field.

Shandong Shengshi Fenghuang Fluid Control System Co., Ltd., located in Weifang, Shandong, the beautiful kite capital of China, is a professional casting production base for grooved pipe fittings. The company covers an area of over 30, 000 square meters and has more than 200 employees, including approximately 60 professional technicians and senior engineers.

Shenyang New Densen Casting and Forging Co., Ltd., the export sales company of Shenyang Densen Group of Companies (which including 8 own foundry, forging factory and machining factories) and its more than 15 sub-contractors.

Hebei Mingda International Trading Company is a trading company which is specialized in castings, forgings and machinery parts.

Hebei Xingtai Shuofeng Plastic Products Factory was founded in 2010 and is a professional manufacturer of plastic pipe fittings and rubber products. We have an 8000 square meter modern chemical factory with an annual output value of over 40 million yuan. Our factory is now equipped with 52 advanced processing equipment both domestically and internationally, including Taiwang vertical rotary injection molding machines, Shanghai Jijian precision injection molding machines, and Haixiong brand horizontal injection molding machines. We have 71 high-quality and senior technical talents. Our factory specializes in producing agricultural water-saving irrigation products, with eleven series and thousands of models and specifications. There are registered trademarks such as "Shuofeng", "Trump", and "Yuanbao", among which eight product technologies such as telescopic water outlets have obtained national patent technology certificates.

Our company as a leading manufacturer of bellows expansion joints located in Cangzhou, Hebei Province, China. Our high-quality bellows expansion joints are designed to provide flexibility and movement in piping systems, ensuring reliable performance and durability.

We are Tianjin OTS valve Manufacturing Co., Ltd was established in year 2001, , produce valves for more than 22 years, our business focus on R&D of valves for fluid control industry. Our production with test facilities has been certified to ISO9001 and CE by Lloyd's Register. We impose the strictest quality control at every stage of manufacturing to assure product functionality and reliability! Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Yuyao Youray MFG established in 1998 as a family business, has grown into a leading CNC machining and aluminium die casting manufacturer in China.

Shanxi Jincheng Anthracite Mining Group International Trading Co., Ltd. is established in 2011, with registered capital of USD 128 million, and located in Taiyuan city, Shanxi province. It is one of the wholly-owned subsidiaries of Shanxi Jincheng Anthracite Mining Group (hereinafter referred to as JAMG), which ranked 482th in Fortune 500 (2019). Our group has 53 subsidiaries, 12 branches and 2 hosting companies. In 2019, the total assets and business scope of our group was 40 billion USD and 25 billion USD respectively.

Our company offers ductile iron pipe fitting, ductile iron pipe joint(dismantling joint, coupling, flange adaptor, saddle, quick flange adaptor, restrained flange adaptor for PE pipe, repair clamp etc) and ductile iron valves. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.