Company Representative Office

  • Add: 291 Hoang Quoc Vietnam - Cau Giay - Hanoi
  • Tel: 04 3771 3583 - 04 3771 3584
  • Fax: 04 3771 0838
  • Email: kinhdoanh@osum.com.vn

Representative Office of the Czech Republic

  • Add: Gen, Svobody 389, 473 01 Nony Bor Arnultovice Czech Republic
  • Tel: 00420.774.58.6688
  • Email:osumcz@gmail.com

Distribution System

  • Showroom1: 16 Chua Boc * Tel: 04 6276 4822
  • Showroom2: 932 La Thanh * Tel: 04 3771 6948
  • Showroom3: 934 La Thanh * Tel: 04 6275 1716
  • Showroom4: 291 Hoang Quoc Vietnam* Tel: 04 3791 7840

Factory production Crystals

  • Add: Trung Nguyen - Yen Lac - Vinh Phuc
  • Tel: 0211 3760 368
  • Fax: 0211 3763 368
  • Email: nhamay@osum.com.vn