LONGER build its own QC system based on ISO9001, also focus on Health, Safety and Environmental Management System to fulfill customer’s requirements and get a long-term benefit and prosperity.


Help the customer to get succeed is the goal which we are working for it every day.


LONGER keep its promise of quality through the following procedures:

1.      Supply Qualified Products.

A.     Choose the most suitable and reliable source.

        Capacity and Facilities;

        Qualification Certificates;

        QA & QC System and operation status;

        Reputation in this field and feedback of customer;

        The origin of raw material and production schedule

B.     MUST-DO Things:

        Supervise the whole production process and provide the weekly updates to the customers;

        Do the final inspection at the presence of LONGER’s inspectors;

        Review and pass the original Mill Certificates, Inspection Report and Certificate of Conformity;

        Arrange the soonest delivery when get customer’s confirmation.

        Track the feedback from customers, know the situation of products, make improvements if necessary.


2.      LONGER accept Customers’ request on inspection:

A.     LONGER will do well preparation and give complete support if customers require to do the inspection by themselves during the production or before shipment.;

B.     LONGER accept any industrial related third party inspection, like Tuboscope, SGS, etc.

Ship the goods is not an end, LONGER extends its services and want to give more help and support to its customers, no matter what, when and where, LONGER is at your service!





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