Management System Certification:
ISO 9001, ISO 20000
Tiansheng Industry & Trade (HK) Co., Ltd /Guangzhou Tiansheng Building Materials Co., Ltd is a professional manufacturer of windows, doors and curtain wall.
With so many years' experience, good quality, fast delivery time, best after-sale service, pretty competitive price and continuously development of new products, have established long-term business relationship with so many customers from all over the world.
Our mainly products are as followings: Windows and door, curtain ...