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Why Can We Always Ensure Excellent Quality

Quality Control

Our company has successfully passed ISO9001: China quality certification center quality certification since

its establishment.Our products have been exported to many countries, such as the United States, Canada,

Russia, Latvia, Ukraine, Brazil, Argentina, the united Arab emirates, Turkey, SaudiArabia, Singapore,

Indonesia, the Philippines, and enjoy a high reputation!

Shandong Langnai Metal Product Co.,Ltd

Material Manufacturing Quality Assurance System

Shandong Langnai Metal Product Co.,Ltd

Shanxi Tisco Brand JIS Certificate

Shandong Langnai Metal Product Co.,Ltd

Certification

Shandong Langnai Metal Product Co.,Ltd Certifications
Standard: ISO
Number: 02231T3037B6L
Issue Date: 2021-06-18
Expiry Date: 2024-06-17
Scope/Range: stainless steel, silicon steel, nickel-based alloy, pure iron, carbon steel, military steel etc.
Issued By: China quality certification center
Shandong Langnai Metal Product Co.,Ltd Certifications
Standard: sgs
Number: 23016178_T
Issue Date: 2022-03-04
Expiry Date: 2023-03-03
Issued By: SGS
Shandong Langnai Metal Product Co.,Ltd Certifications
Standard: ISO
Number: 02231T3037B6L
Issue Date: 2021-06-18
Expiry Date: 2024-06-17
Scope/Range: stainless steel, silicon steel, nickel-based alloy, pure iron, carbon steel, military steel etc.
Issued By: China quality certification center
Shandong Langnai Metal Product Co.,Ltd Certifications
Standard: sgs
Number: 23016178_T
Issue Date: 2022-03-04
Expiry Date: 2023-03-03
Issued By: SGS
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