Menu

Why Can We Always Ensure Excellent Quality

Quality Control

Products are produced in strict accordance with GB, ASTM, EN, JIS and other national standards. We offer a wide range of carbon and stainless steel, including 200 series (201,202), 300 series (301,302,304 L, 310, 316, 316L, 321) and 400 series (409L, 410, 420, 430, 439, 441, 443, 444) to meet the requirements of different customers. Products are widely used in engineering, coal mine, textile, electric power, boiler, machinery, military, construction and other fields.

Certification

Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Shandong Duohe Import And Export Co., Ltd. Certifications
Contact Supplier
Submit Requirement