Jining Huayi Industry and Trade Co., Ltd. is located in the economic development zone of Jining City, Shandong Province, China.We specialize in anti-corrosion and heat-shrinkable materials on pipelines, our leading products include Heat shrinkable Sleeve(HHTS),Heat shrinkable wraparound sleeves(HHWS) and Heat shrinkable wraparound tape for pipeline corrosion protection; Heat shrinkable Waterproof End Cap, Cold-applied tape,Repair Patch,melt sticker; Epoxy Primer and other productions.