- Metal smelting-JCG Industrial Co., Ltd. Manufacturing Factory
- Stainless steel-JCG Industrial Co., Ltd. Manufacturing Factory
- Metal sand mold (sand foundry)、Die casting、Low pressure、Gravity、Centrifugal 、investment casting-JCG Industrial Co., Ltd. Manufacturing Factory
- Dimensional tolerance-JCG Industrial Co., Ltd. Precision Measurement Room
- Surface treatment and coating of rolled steel coil (plate)-JCG Industrial Co., Ltd. Manufacturing Factory
- Non-destructive testing (NDT)- JCG Industrial Co., Ltd. Laboratory
- Steel and Iron - JCG Industrial Co., Ltd. Manufacturing Factory
- Magnesium alloy- JCG Industrial Co., Ltd. Manufacturing Factory
- Welding produce mode- JCG Industrial Co., Ltd. Manufacturing Factory
- Aluminum alloy type, Heat treatment, Anodizing- JCG Industrial Co., Ltd. Manufacturing Factory
- Aluminum Application Comparison Chart- JCG Industrial Co., Ltd. Manufacturing Factory
- Aluminum alloy- JCG Industrial Co., Ltd. Manufacturing Factory
- Steel plate(SPHC SPCC SECC SGCC SGLC Tinplate)- JCG Industrial Co., Ltd. Manufacturing Factory
- Steel pipe for machine structure STKM 11A 12A12B12C 13A13B13C 14A14B14C 15A15C 16A16C 17A17C 18A18B18C 19A19C 20A-JCG Industrial Co., Ltd. Manufacturi
- Metallic material- JCG Industrial Co., Ltd. Manufacturing Factory
- Forged steel- JCG Industrial Co., Ltd. Manufacturing Factory
- Cast iron- JCG Industrial Co., Ltd. Manufacturing Factory
- metal processing- JCG Industrial Co., Ltd. Manufacturing Factory
- Steel and Iron - JCG Industrial Co., Ltd. Manufacturing Factory
