MODERN HOT ROLLING PRODUCTION LINE

Shandong Zhongzheng Steel Pipe Manufacturing Co., Ltd.

PROFESSIONAL MANUFACTURER OF SEAMLESS PIPES

Shandong Zhongzheng Steel Pipe Manufacturing Co., Ltd.

STRONG ENTERPRISE PRODUCTION STRENGTH

Shandong Zhongzheng Steel Pipe Manufacturing Co., Ltd.

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	"Specialized, Refined, and New" Small and Medium Enterprises	API-5L
API-5CT1	5CT-1038	5L-0698
ISO9001	ISO9001	Special Equipment Production License
Assessment Certificate for the Integration of Industrialization and Industrialization Management System

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CONTACT US

Shandong Zhongzheng Steel Pipe Manufacturing Co. Ltd.
Add:No.8-Mudanjiang Road-Liaocheng Economic
Development Zone-Shandong Province-China
Postal Code:252000
Phone:+86-635-8880099
Fax:+86-635-8882844
Website:www.zlsteelpipe.com
James:+86-18963580990

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Time of issue:2019-10-29 00:00:00