About 2 Trademarks found that are owned by Shenzhen Sansheng Tongda Industrial Co Ltd

Asbestos paper; Insulating gloves; Insulating sleeves for power lines; Insulating tapes; Insulation jackets for pipes; Lawn hoses; Rings of rubber for use as pipe connection seals; Rubber stoppers for bottles; Sealing plugs made primarily from rubber; Sealing and insulating materials; Silicone rubber; Sound dampening blankets; Tamper-evident secure adhesive seals for bottle tops; Tinted anti-glare plastic film for use on windows; Washers of rubber or vulcanized fibre

The wording "LANGTO" has no meaning in a foreign language.