Baoding Guokun Machinery Co., Ltd and Baoding Guokun Export and Import Trading Co., Ltd are located in Baoding city, Hebei province, China. Our sand-casting factory occupies a total area of 30,000 square meters, which have casting foundry workshop, grinding, sandblasting and precision machining shop, laboratory and warehouse. Baoding Guokun has equipped with 4 sets medium-frequency electric furnaces, 15 sets automatic shell core machinery, automatic sand-casting molding line, 7 sets CNC machinery, 20 sets CNC Lathe, and the complete quality inspection devices for mechanical testing and chemical analysis, including tensile strength, hardness tester, metallographic inspection, spectrometer, ultrasonic testing and special testing devices.

Before shipping, the quality reports for all inspection will be issued and mailed to our customers. We can offer green sand casting, resin sand casting, precoated sand casting, shell mold casting process for your OEM casting parts. The investment casting and sand casting process are usually the most cost-effective casting techniques to produce complex or simple gearbox casting replacement components in low, medium and high-volume quantities.

The types of gearbox reduced housing, helicopter transmission components, gearbox components, main rotor gearbox housing, tail rotor gearbox housing, gearbox casing, transmission housing, bearing housing, we can produced and exported are as follows:

Cast Iron Gearbox Reducer Housing: Durable and commonly used for heavy-duty applications. Mainly produced by sand casting process and lost foam casting process.

Aluminum gearbox reducer Housing: Lightweight and corrosion-resistant, often used in applications where weight is a concern. Mainly produced by gravity casting, sand casting and die casting process.

Stainless Steel helical bevel gearbox Reducedr Housing: Used in corrosive environments or industries like food processing or pharmaceuticals. Mainly produced by investment casting or lost wax casting process.