av在线 高清不卡区,国产真实老熟女无套内射,多毛熟女hdvidos,国产真实老熟女无套内射

Chinese | English

Projects

LIHENG2 Spinning

Successfully developed to 22.2dtex / 24f, represented by a series of porous polyamide 6 fully drawn fiber products, the overall technology has reached the international advanced level.

detail>>

JINSHEN5 Spinning

The world's largest one-step fine denier high tenacity yarn of nylon 6 spinning project, capacity of 10,000 tons / year.

detail>>

HUADING5 Spinning

The world's largest "smart, high-efficiency, high-quality" 24 nylon 6 spinning project, production capacity of 150,000 tons / year.

detail>>