Beijing Tianheng Electromachinery Co. Ltd. 6-203, 14, Zaojunmiao, Haidian District, 100081, China Tel: 010-62145687 Fax: 62149315/62145619 Est: 1994  Director: Wu Ying Staff: 60 Sales Manager: Wu Ying  E-mail:info@tianhengmarker.com  http:www.tianhengmarker.com  Products: As a sole agent for German Ostling Company, Beijing Tianheng Electromachinery Co has been specialized in the selling of high precision metal markers and its after service. Ostline metal markers will meet your all requirements for the metal marking.