Chinese Market:

Email:  service@longlitek.com

Tel: +86 10 61253338 ext. 8863

Fax: +86 10 61253338 ext. 8853

Adress: 3rd Floor, Building 1, No.11 Tianrong Street, BioPharma Park, Daxing District, Beijing, China 102629

International Market:

Email: service@longlitek.com

Tel: +86 10 61253338 ext. 8863

Fax: +86 10 61253338 ext. 8853

Electrical Engineer  

Mechanical Engineer