We mainly manufacture all kinds of cast iron construction accessories: Manhole Covers, Gratings, Drainage Channels, Grooved Fittings. Furthermore, we also provide engineering parts and auto parts etc. Due to the advanced production and processing equipment, integration of design and manufacturing technology, numerical control mould, precision processing, largely shorting the production cycle and improving the quality and yield. In the meanwhile, Our excellent design team, can fully provide the initial design according to customer requirements.
The good quality is the core of our development, a series of carbon sulfur analyzer, sand mold testing instrument, pressure/ tensile testing machine and so on, which strictly control the quality from raw material to finished products according to the ISO9001-2008. At the same time, corresponding certificates are approved:
* Manhole cover and gratings: EN124; ISO9001
* Surface Box: BS 5834 Part 2: 2011; ISO9001
* Drainage channels: EN1433; ISO9001
* Grooved coupling and fittings: UL/FM/CE; ISO9001
We will uphold the enterprise spirit "leading in science and technology, striving for existence with quality" and the business philosophy "service and credit for development" to provide the high-quality products and excellent services for you. Changzhan except there will be a bright future between us!
Changyi City Changzhan Casting Co., Ltd, will serve you wholeheartedly. Warmly welcome all the users and customers to patronize, and share mutual benefit and prosperous future.