| Qingdao Laosu Building Material Group is specialized in producing plastic building materials.It is a large-scale enterprise in China's plastic door and window industry,a permanent member unit of Metallic Building Structurees Association under the Ministry of Construction and a "Designated Production Enterprise"approved by the Committee of Plastic door and window.Products' Characteristics: Colorless or light yellow, transparent liquid, slight irritating odorApplication: Improve initial color, transparency and photo-stability of hard and un-plasticized PVC. Also effective to the long-term stability of plasticized PVC, reduce viscosity of melt,enhance workability and gloss level of finished products. | 
