Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd.'s square and rectangular welded steel pipe products passed the Metallurgical Industry Planning Institute's professional sampling inspection as well as strict inspection and supervision, earning the AAAAA product certification.

Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. is a large-scale joint enterprise group that primarily manufactures black and galvanized square and rectangular pipe products while also engaging in logistics and trade. It is the world's largest square tube production base and a Chinese manufacturing Top 500 enterprise in the industry, having led and participated in the drafting of 8 national standards and group standards, winning 6 enterprise standard "leader" certificates, and over 80 independent intellectual property rights.

The followings are the translations of the certification.

Certificate number: MPI101001000322

Product certification

Client name: Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., LTD

Address: Daqiuzhuang Industrial Zone, Tianjin

Manufacturer: Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., LTD

Address: Daqiuzhuang Industrial Zone, Tianjin

Manufacturer Name: Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., LTD

Address: No. 2 Hengtong Road, Daqiuzhuang Industrial Park, Jinghai District, Tianjin

Product category: square and rectangular welded steel pipe

Product name: rectangular welded steel pipe

Product models and specifications: Q235B, Q355B, Q355C, Q355D, Q420, Q460

(20×40)mm2 ~(800×0.62)mm2

Standard or technical requirement:

T/SSEA 0109-2021 Guidelines for Grade and Grade Evaluation of Square and Rectangular Welded Steel Pipe Products Certification mode: initial inspection + product sampling inspection + post-certification supervision

Date of issue: December 30, 2022

Class: AAAAA

Valid until: December 29, 2025

Our main products:

 20mm*20mm~1000mm*1000mm square tube

 20mm*40mm~800mm*1200mm rectangular tube

Group honor:

Tianjin Yuantai Derun Group has been named the national "manufacturing individual champion" for 2022. It is the chairman unit of China Metal Material Circulation Association's Square Tube Branch, the executive vice chairman unit of China Square Pipe Industry Development and Cooperative Innovation Alliance, and the China Steel Structure Association. The association's executive director unit, the Cold-Formed Steel Branch of the China Steel Structure Association's executive director unit, the Prefabricated Construction Industry Innovation Alliance's vice-chairman unit, and the "Century Craftsman Star" supplier of high-quality materials and equipment with Chinese construction industry characteristics. The group has been named one of the 500 Chinese Private Enterprises. In 2017, it was ranked 49th among the top 100 enterprises in Tianjin. It received the highest honor of 5A level in the national iron and steel circulation enterprise management classification assessment and the highest honor of 3A level in the China Metal Materials Circulation Association credit evaluation.

Certifications:

Tianjin Yuantai Derun Group has been certified for ISO9001 quality management system, ISO14001 environmental management system, OHSAS18001 occupational health and safety management system, EN10219 system certification, Bureau Veritas BV certification, and Japanese JIS industrial standard. "Yuantai Derun" is a well-known Tianjin trademark, and the "Yuantai Derun" square tube is a famous Tianjin brand product. At the same time, we are actively applying for well-known trademarks in China. Our company recently passed the Metallurgical Industry Planning Institute's product testing and received AAAAA certification. The Metallurgical Industry Planning Institute is the first batch of Class A engineering units, and it is a prestigious organization in the metallurgy, steel, and non-ferrous industries. It has 40 years of experience in professional planning. Businesses provide reports on feasibility studies, project applications, and energy-saving assessments. Being recognized by the Metallurgical Industry Planning Institute validates our products' quality and strength. We will be an all-around service provider of structural steel pipes with higher strength, greater contribution, a higher standpoint, and a thicker foundation in the future!