Hebei Henghua Changyao Building Materials Technology Co., Ltd is located in the automobile and motorcycle industrial park of Huigong Avenue, Qinghe County, Hebei Province  covering an area of 100mu, building area of 35256 square meters.
In 2012, the company introduced foreign advanced technology and professional production equipment, and established the Osek brand.
The Osek brand includes three categories of Insulating glass warm spacer bars:
1. Stainless steel coated Insulating glass warm spacer bars
2. Pure stainless steel Insulating glass warm spacer bars
3. Glass fiber reinforced materials Insulating glass warm spacer bars
There are 7 production lines for Insulating glass warm spacer bars,specifications including 9A-27A.