Hebei Sinta Trading Co., Ltd is one of the leading manufacturers in China. We have over 15 years professional technology and production experience, and a group of highly skilled R & D teams.

Founded in 1988, SYI Group Companies have served the society for over 30 years with best Municipal, Pipeline and Machinery Products & Services, including Pipes, Fittings, Universal Couplings, Flanged Adaptors, Dismantling Joints, Valves, Fire Hydrants, Manhole Covers, Gully Gratings, Surface Boxes, Manhole Steps, Tree Gratings, Bollards, Flanges, Lifting Anchors and other OEM Castings and Forgings.

We are the Manufacturer and the Supplier of the following products, manufactured in China, and we are offering a Direct Supply of these products from our Factory:

Gaotang Dingli Construction Machinery Co., Ltd. Was founded in 2010, through the continuous efforts of all staff, continuous learning, continuous improvement, continuous innovation; At present, it has developed into a strong professional cement pipe equipment manufacturer in Shandong Province. Professional production: High-frequency vibration pipe making machine equipment, high-frequency vibration inspection well equipment, high-frequency vibration box and culvert equipment, box and culvert mold, inspection well mold, cement pipe mold and other cement pipeline equipment. Won more than 10 national invention patents, more than 30 practical patents and design patents, was named "Shandong Province one enterprise one technology Research and Development Center" in 2016, was named "Liaocheng Top Ten Innovation star" in 2017, won the 2017 China Construction West Construction Cup "Concrete and cement products Technology Innovation Award" third prize, In 2018, it was named "High-tech Enterprise of Shandong Province" and "High-tech Small and Medium-sized Enterprise of Shandong Province". The high-frequency mandrel vibration pipe making machine won the third prize of the 2018 "Subot Cup" Technical Innovation Award for concrete and cement products industry; In 2019, "Flexible rubber groove (Type A) socket automatic forming device" won the second prize of industry technology innovation!

Qingdao Leader Machinery Co., Ltd is an experienced and professional manufacturer of plastic extruder and extrusion lines for years. We can produce various equipments, including plastic sheet/plate extrusion lines etc. According to different requirement s of each customer, our engineers will provide most professional mechanical design and manufacturing, and the complete processing technology to meet their special application requirements.