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JINSON regard product quality and related services as important factors for sustainable development, we have ISO9000 certification, each product has passed strict inspection, and records have relevant certificates 3.1 or the corresponding approval, with a professional quality control team, quality assurance can achieve consistent monitoring and testing, from receipt of input material, through continuous production inspection to final inspection, then delivery to customer. Environmental protection is part of the JINSON policy and we always take this into account when making product and production decisions. Our customers always benefit from our consistent quality control on the products.


* Visual inspection

* Angle inspection

* Thread inspection

* Dimension inspection

* Pressure inspection



We use inkjet printer, which can print size, material, thread, heat number on the products, also we can print the content according to the customers' requirement.