Kingsmark System Engineering Ltd. Address : Rm.09-10, 12/F, Corporation Square, 8 Lam Lok Street, Kowloon Bay, Hong Kong. General : (852) 2331 3630 Product : (852) 3999 5100 Repair : (852) 3999 5152 Fax : (852) 2759 6756 Email : info@kingsmark.com