Hunan DL Carbide Co., Ltd. was established in 2011, located in Zhuzhou City, Hunan Province, the largest cemented carbide production base in China. We are a one-stop customized service provider and manufacturer for tungsten carbide products, and main application area of the products include but not limited to:

-Steel Wire Industry: tungsten carbide rollers, carbide nail making tools, carbide wire drawing dies, carbide wire guide dies...

-Oil and Gas Industry: choke valve stems/seats/beans with tungsten carbide, tungsten carbide nozzles, carbide sealing rings, carbide sleeves & bushings, tungsten carbide valve ball and seats...

-Rock Mining Fields: tungsten carbide tips, carbide buttons, PDC cutters, HPGR studs...

-Woodworking and Tools: tungsten carbide strips, carbide rods...

We are able to manufacture according to your drawing.

Hereon, we would like to highly recommend the API 6A standard choke valve parts produced by us, including stem, seat, bean and other precision valve parts. We began to produce this kind of parts in February 2013, and initially supplied to some large API 6A valve manufacturing companies, such as JMP (the major Chinese manufacturer of wellhead equipment), MSP, SHENKAI, JF PETROLEUM and so on. Accumulating the experience in 11 years, we have the ability to produce various type of choke valve parts. Please refer as below.

-Stems, seats and beans: Cameron H2, OCT JWA/N60/N62, MSI 1502, T3(NOV).

-Gates, seats and sleeves of hydraulic choke valves: POWER CHOKE, SCHOONER, SWACO, CAMERON HYD DRILLING CHOKE

-Cages and other parts of various cage choke valves

We are able to design the component content of tungsten carbide powder and products’ mechanical properties, for example hardness and porosity, according to the user's detailed requirements. Your inquiry is always welcome. 

More importantly, through 11 years of experience, we have particular understandings of the API 6A standard. For our valve stems, valve seats, other products, and the raw materials (such as AISI 4130, AISI 410, 17-4PH, Inconel 718) , the process of raw material procurement, rough machining, heat treatment, finish machining, welding, dimensional inspection, hardness testing, destructive inspection are fully implemented in accordance with API 6A standards to ensure product traceability. This makes our customers satisfied and is responsive to market demands. Our products are sold at home and abroad, and our brand has a good market reputation.

We adhere to honesty and win-win cooperation. In the development of our enterprise, we should not only serve customers well and safeguard their interests, but also pay attention to the cooperative development of our suppliers. Now we have established a completed and tight supply system, which has laid a solid foundation for our business expansion.

We are pursuing innovation, developing new products with latest technology and high efficiency, becoming an iconic company in the area of manufacturing non-standard, irregular shape cemented carbide material and new material. We meet the needs of global customers with strong supply capability, fast delivery and stable product quality.