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Quality control system Quality Management System Advancedinspection equipment
  Quality control system
  Quality Management System
  Advancedinspection equipment
Quality control system


In 1996, Colossus group took the lead in getting certification of ISO9002 international quality system in the fields of pump and mechanical seal in China and successfully finished updating ISO9001: 2000 certification in 2002.

From 2006, we started implementing API Q1 and ISO 9001:2000 quality management systems.

In 2007, we got the API Q1 quality management System certificate.

In 2010, we got the GOST and RTN certificate for Russian market.

In 2011, colossus got the ASME certificate for pressure vessel.
From the order assessment to technical design, from raw material entering to processing the accessories even to finished product ex-factory ,all the production process are under strict control of quality management system.

Products designing
a strong technical team, advanced design software and precise measurement ensure to provide the most optimized design. 

Strict supplier evaluation system & procedure and necessary physical chemical test to guarantee the quality of raw material purchased outside and the components & quality of half-finished products.

Advanced producing equipments, 6S on-site producing management and the most perfect & excellent inspection equipments & procedure guarantee the quality of our products.

before the delivery ‘self-checks, cross check and special check ‘procedure highly guarantees all the products qualified.


The sophisticated sales and service team can provide the pre-sales technology        communication and after-sales repair and maintenance.

Copyright 2013 Dandong Colossus & Co. All Right Reserved
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