亚洲成AV人片一区二区小说

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土工膜廠家,土工布廠家,長絲布廠家,隧道防水板

Service Policy
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Service Policy

 Beijing ZhongRui environmental technology engineering company commitment to product quality
Raw materials for the production of high quality products, all selected Zhongshi Chemical affiliated countries with large chemical enterprise products, such as Qilu Petrochemical, Yangzi Petrochemical, Yanshan Petrochemical.
The company promises regularly or according to customer requirements at any time entrust national testing agencies for product quality testing.
The company strictly in accordance with the ISO9001-2000 international quality system standards of production, quality inspection, measurement, monitoring and management service such as the implementation of the entire process to ensure product quality and quality standards.
Since my company as a product itself (using the side to cause excluding loss or damage caused by irresistible natural disasters) quality problems affect the progress of the project and the quality of the project, it will be the quality of the products will be implemented "Three Guarantees" That refund, replacement, repair kits; and product quality, customer feedback (not including vandalism) sent the problem-solving process within hours.
 
Beijing ZhongRui engineering company environmental technology product sales service commitment
To provide customers with comprehensive technical support. After receiving notice of the customer, we will need to provide timely technical products according to the customer and other relevant information.

 

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