| Address: | No. 1 Xingchang Rd., Changping Sector of Zhongguancun Science Park, Changping District, Beijing 102200, China |
|---|---|
| Phone: | 86-10-60731188 |
| Fax: | 86-10-60732929 |
| Contact: | Maggie Dang (Sales Manager) |
| Mobile: | 861060731188 |
| Website: | https://langech.diytrade.com |