Features: ◆ appearance: simple lines, silver exterior, modern ideas ◆ Best drainage: leakage area of ??83.3%, more than double cast iron. ◆ Hot-dip galvanizing: rust-proof and strong, 30-year free maintenance and replacement. ◆ High strength: strength and toughness is much higher than cast iron, can be used for docks, airports and other large span and heavy load conditions. ◆ many varieties: meet different environment Zhaoqing steel grating trench cover, load Shaoguan Steel grating trench cover, span and shape required, customers can provide the size and shape of manufacture. Ceiling grid plate steel bar spacing specifications often: The 50,100mm. Crossbar Size: 6x6mm commonly twisted steel, small size steel grating take 5X5mm twisted steel, stainless steel bar used 5mm in diameter. Flat Size: 20 × 3mm common to 75 × 6mm and other specifications. Flat pitch: using 30mm, 40mm, 60mm. Surface treatment: G for hot-dip zinc, P for dipping, U as the surface is not treated steel grating trench cover Dongguan steel grating trench cover _ _ 炳辉 network industry by Foshan Nanhai 炳辉 industry Manufacturing Co., Ltd. available. Nanhai District of Foshan City 炳辉 industry Manufacturing Co. (fsbhwy.cn) strong, credible, in Foshan, Guangdong wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Bing Hui network industry and you work into the brilliant, for a better future!