- Weifang Boyuan Power Technology Co., Ltd.
- Lost Wax Investment Vacuum Casting, Stainless Steel Casting, Aluminum Casting, Precision Casting, Turbine Wheel, Guide Vane, Impeller, Nozzle Ring, Compressor, Fan Blade, Diffuser, Fan Wheel
Shandong
- Nanjing Luyao Metals Co., Ltd.
- Casting, Forging, Stamping, Machining, Metal Products, Plastic Machining Parts, Metal Machining, Customizd Parts, Metal Parts, Design Parts
Jiangsu