Founded In 1997

Sino GI/GL/PPGI/PPGL Steel Coil Manufactrer Corrugated Roofing Sheet Manufacturer

"Grow Your Business With WITOP, Create Value For Our Customers."

Covering an area of
Staff More Than
Annual production capacity
0 tons
Sino GI/GL/PPGI/PPGL Steel Coil Manufacturer

WITOP Steel Categories


Hot Dipped Galvanized Steel Coil

Galvalume Aluzinc Steel Coil

Hot Dipped Galvalume/Aluzinc Steel Coil

PPGI Steel Coil

PPGI Prepainted Galvanized Steel Coil

PPGL Steel Coil

PPGL Prepainted Galvalume Steel Coil

galvanized corrugated roofing sheets

Galvanized/ Galvalume Roofing Sheet

PPGI PPGL Color Coated Roofing Sheet 1

Color Coated Steel Roofing Sheet


Electrolytic Tinplate

Color Stone Coated Roof Tile

Color Stone Coated Roof Tile

Qingdao Witop Steel Group


Qingdao Witop Steel group are fully convinced that the good-qualitied products assist the success of our customers. The leading products are WITOP brand galvanized steel sheet, galvalume/alu-zinc steel sheet and color coated steel sheet, which gained famous brand products in China. Focusing on “stabilizing high quality and establishing brand”, Witop Steel has established a stable raw material supply and sales network in more than 100 countries and 180 customers, and enjoys a high reputation in the domestic and foreign markets. 

WITOP Produce Sino GI/GL/PPGI/PPGL Steel Coil manufacturer in China.

We cooperate with Nippon, Akzo-Noble, PPG, Beckers, KCC and other well-known paint companies. We can produce Z275 galvanized and AZ150 galvalume.


Most frequent questions and answers

We offer free samples, but customers need pay the air freight. And once you confirm a trial order, we will refund the air charges from your order. 

We have strict quality control process from raw materials to finished products, and we will inform our customer each process status by videos or photoes. By the way, We have ISO9001,SGS,BV and CE certificate and accept any third party inspection as you need.

We have professional after-sales service. When you find any problems after receiving our materials with reliable proof, we will take charge of all the losses once the accident cause is in our side. 

Yes, you can contact us, and our sales will get in touch with you and offer those information.

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