In the “first list of major technical equipment certifications in Henan Province in 2016â€, the V-CBN groove grinding wheel declared by Zhengzhou Abrasives Grinding Research Institute Co., Ltd. (Specification Model: 3A1R300×15×45× 4×1.35 CBN120#V150;3A1R300×15×45×4×1.54 CBN120#V150), fully automatic heavy-duty grinding wheel production line, ultra-thin cutting wheel for ceramic and magnetic material processing, precision high-speed and high-efficiency cutting blade for optical and electronic industries, Five declared products such as VD grinding composite grinding wheel (specification model: 400×50×203×10 140/170) were shortlisted.
In addition, Zhengzhou Machinery Research Institute's "shift clutch" and Zhengzhou Hongtuo Superhard Materials Co., Ltd. declared "Crankshaft series 5-hole high-precision honing tools" and other industry-related enterprise products at the same time.
Attached to the first batch of major technical equipment certification lists in Henan Province in 2016 (2016) (click to view)
Galvanized Roller Shutter Door
Using advanced hot-dip galvanized material , precision roll forming production process, polyurethane foam that free of hydrofluorocarbon inside door, light weight, high strength, appearance nice. The doors have advantages of tamper anti-theft , noise isolation thermal insulation and corrosion resistance;the doors are widely used in shops, garages, houses, supermarkets, warehouses and industrial plants,etc.
Depending on the characteristics of the buildings,we can choose interior, exterior and intermediate three different installation ways, doors stay in the upper part of door after rolling up , this could save garage space, and also could keep the garage clean and beautiful by prevent the mud, rain and snow ,etc going into the garage.
Galvanized Roller Shutter Door,Standard Galvanized Roller Shutter Door,Automatic Galvanized Roller Shutter Door,Steel Roller Shutter Safe Door
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.pvchighspeeddoor.com