Weifang Zhihua Casting Co., Ltd was established in 2007, located in Weifang, which is honored as world kite capital and near Qingdao International seaport. We are one of the leading manufacturer enterprises of grooved pipe fittings and couplings in China. it is widely used for roll grooved or cut grooved standard pipe or roll grooved light wall pipe and for joining carbon steel, copper, stainless steel, ductile iron, aluminum, HDPE and PVC plastic piping systems. Furthermore, Our Grooved Pipe fittings and couplings provides superior design flexibility and ability to accommodate seismic moments, noise and vibration and it is installation-friendly products and services and lot moreWe provide our customers the best pipe system solutions, low cost tooling, high quality manufacturing and rapid delivery.We handle all the projects with quality first in mind and under strictly quality control flows through precise inspection and testing equipment and production control system to achieve the small, medium and large volume production, meanwhile, the works are available for OEM / ODM and ISO&FM&UL certificated, confidentiality and reliability. Our buyers hail from 10 countries and regions including Europe, North America, Southeast Asia, Middle East and Australia. We sell big quantity of high quality products worth more than $16 million annually. A lot of things may change, but our commitment to professionalism, quality and customer service won't. Contact Zhihua today to begin saving time and cost.