"Endless pursuit of quality and perfection, meticulously to meet customer needs," is Howhi criteria for quality management, the company since the date of the establishment that is in accordance with ISO9001 international standards, establish a sound quality assurance system, the company with strict technology, advanced detection equipment and strong technical households strength for the company's product quality assurance to build a solid Great Wall.

NSF International Certification

CUPC International Certification

ISO9001: 2015 Certification

ISO140012015 Certification

CRN for Canada

Certificate of Approval for Enterprises with Foreign Trade Rights in the People’s Republic of China

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