Tianjin Tianzhi International Co., Ltd.

Company Description

Our main products includes series of specification of hot galvanizing steel grating, stainless steel grating, composite steel plate, trench cover, stair steps and baluster etc. Our products are widely used in petroleum, chemical enginering, port, shipbuilding, electricity generating, municipal, building construction, machinery, metallurgy industries of various engineering platforms, walkway, stair steps,strench cover, fences, baluster, drain cover, etc. Products are made by handmaking welding and first-class Japan equipment following strict quality control standard for production. Japanese technology arrange the bearing bar and cross bar in longtitude ans latitude oroder to certain distance. Cross bar is pressed into the bearing bar by high tension resistence welding which is contronlled by computer. So we can produce high quality gratings with firm welding, smooth surface and high strength. We can also provide varies specifications, models and sizes in line with your product request.Our products conforms to GB700-88 Chinese steel standard, YB/T4001.1-2007 industry standard, YB/T4001-1998 steel grating production standard, JIS Japanese steel grating standard, American ANSI/NAA( MBG531-88), BS4592-1987 English standard, AS1657-1985 Australian standard.1. All kinds of Steel Grating : 19mm-65mm2. Pitch of bearing bar: 15mm-90mm3. Pitch of cross bar:24mm-200mm4.Sign of the shape of bearing bars:F-Plain StyleS-Serrated StyleI-I-Section Style5.Sign of surface-treatment:G-Hot GalvanizingP-Planted