... are professional manufacturer in producing and supplying stretch film (wrapping film,PE film, silage stretch film) and have passed the certification of SGS ... Yiwu City, Zhejiang Province. It is only three hours drive from Yiwu to Shanghai ,with very ... 5-layers coextrusion produced lines of polyolefin shrink film, also imported the cutting machine, the centrefolded machine, the sleeve-making machine, ...