Dom Chen

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About Dom Chen

JIANZHI Pipe Fittings, founded in 1982, professionally manufactures and stocks a wide range of malleable cast iron fittings and cast iron flanges. As a leading China malleable cast iron fittings manufacturer and a standing member of the China Foundry Association, we supply black pipe fittings and galvanized pipe fittings, covering over 100 countries around the world.

Jianzhi is committed to building a safer world by bringing premium cast iron pipe fittings to every

Dom Chen11 Jul, 2025Business

Cooperating with distributors all over the world and working to make the list grow is the business model of Jianzhi. Helping all partners to unleash their untapped potential and make profits is the service philosophy of Jianzhi. On the manufacturing side, Jianzhi strictly controls the cost to ensure a stable supply of high-quality products and fast delivery.

Jianzhi Pipe Fittings

Dom Chen11 Jul, 2025Business

Galvanized steel pipes are used in most of the applications starting from plumbing and on to through structural support because of their good durability and the fact that they do not get corroded easily. When embarking on plumbing and piping systems, it is important that the connections are totally secure.

GI MI pipe fittings Industry Application

Dom Chen11 Jul, 2025Business

Fire fighting pipeline refers to the pipeline system used in fire suppression, connecting firefighting equipment to equipment, and transporting water during fire suppression. The oil and gas industry includes the processes of exploration, extraction, refining, transmission, and marketing products.

BSPT Thread Fittings manufacturer

Dom Chen11 Jul, 2025Business

As a common pipe thread connection with good sealing, pressure resistance and abrasion resistance, inch pipe thread is widely used in industrial and construction fields. Understanding its characteristics and application areas is conducive to better application of this connection method, improving work efficiency and safety.

Wholesale Npt Thread Fitting

Dom Chen11 Jul, 2025Business

As a leader in the industry, Jianzhi Manufacturing not only has advanced production equipment and testing methods, but also has a high-quality technical research and development team. The company always adheres to the market-oriented, customer-centred, and constantly launches new products that meet the market demand.

Pipe Fittings Flange manufacturer

Dom Chen11 Jul, 2025Business

Flanges are popular pipe fittings. Flanges connect pipes mechanically. It can mechanically connect pipes to tees, valves, chokes, and other equipment. Flanges are round, square, or rectangular. it can form a rim at the pipe’s end when fastened as a ring or plate. Closet flange.

China galvanized pipe fittings manufacturer

Dom Chen11 Jul, 2025Business

Galvanized pipe fittingspipe fittings manufacturer are cast from high-quality molten iron and annealed into malleable cast iron pipe fittings dipped in a protective zinc coating to resist rust, corrosion, and mineral buildup and withstand wet conditions. Threaded includes NPT, BSPT, JIS, DIN, and so on.

Black Pipe Fittings Catalog

Dom Chen11 Jul, 2025Business

Black pipe connector is a kind of pipe made of stainless steel plate through cold drawing or hot rolling and other processes. Its surface is not treated with special anti-corrosion treatment, thus presenting a black appearance. Black iron pipe fittings not only have high mechanical strength and abrasion resistance, but also have excellent toughness, plasticity and weldability, making them ideal for a wide range of media transport. The black threaded fittings are used to join black piping together and help provide a seamless flow within malleable iron fittings.

Malleable Iron fittings ,M.I. Pipe Fitting manufacturers

Dom Chen11 Jul, 2025Business

Malleable iron fittings are durable, temperature resistant and they can also withstand high mechanical stress making them greatly popular in plumbing and pipework industries. These types of fittings are often galvanised with a standard jointing technology enabling them to be used safely in a broad range of applications.