Shanghai office

| Corporation name | Die vacuum trade(shanghai) limited corporation |
| Address | Building 6,No.2505,Huqingping Road,Qingpu District,shanghai201700P.R.China |
| TEL | +86-21-6320-3896 |
| dayi@die-vst-shanghai.com.cn | |
| Mobile | +86-139-1881-7075 |
Taiwan agency

| Corporation name | SINTAI Corporation |
| Address | Head Office: 221,17F-1,No.77,Xin Tai 5th Rd, Xizhi District, New Taipei City Taiwan |
| kyu@sintai-corp.com |
Thailand agency

| Corporation name | FORMING PRO CO., LTD. |
| Address | 51Moo3,Na Pa Subdistrict, Mueang Chonburi District, Chonburi Province 20000 |
| TEL | 0384411756 Japanese : 0971033425 |
| formingpro.dc1@gmail.com |

| Corporation name | PRESTON INTERNATIONAL CO., LTD. |
| Address | 47/2, MOO 2, KHU KWANG, LAT LUM KAEO, PATHUM THANI 12140 |
| TEL | 66849167342 |
| info@prestoninter.com |