Zhejiang LDDQ CO.,LTD is a professional scientific enterprise which specialized in high voltage power transmission and distribution system insulation protective series products with advanced manufacture technique and proven skills, all our raw material are from excellent foreign importing material, we mainly manufacture radiation cross-linked heat shrink material, power cable heat shrink accessories, power cable cold shrink accessories, power cable plug head, communication cold shrink tube, flame-retardant silicone rubber insulated adhesive tape, high and low voltage heat shrink tape, zipper type heat shrink tube, high and low voltage heat shrink tube, high voltage busbar conjunction box, power cable insulation cover, card buckle type silicone rubber protective bushing, aerial cable protective bushing, electric power fittings, plastic products and other high-tech products. And the products are widely used in electric power, communication, electronic, metallurgy, mine, military, electric machine, building, boat, petrochemical industry and so on. Since we have done business on this field for years, we got a high reputation from all over the world.