Service commitment:
"High stone valve" pursues "win customers by quality, to the credibility of development" business principles, the company aims to meet customer needs, is willing to through their own efforts to work together to promote bilateral cooperation, to provide customers with high quality products and excellent service, to ensure that users to buy rest assured that with the comfort, "stone high valve" a public service commitment.

The quality assurance system:
1. The product design, manufacture, assembly, inspection and related process strictly implement the ISO9001 international management system standards.
2. "high stone valve" products shall be accordance with relevant national and industry standards for the design, manufacture and inspection, and may, according to the user's requirements for the development of special products, to meet user needs.

Quality acceptance:
The company has passed international certification system (certificated fangyuan group), and completely in accordance with the system operation mode to conduct a comprehensive quality management. "High stone valve" to the quality of the broad masses of users to make the following commitment:
A, all products have the production license or approval certificate will not provide fake or YiJiuFanXin product.
Second, the product quality level is first class (or classy article).
Three, product, the main performance parameters are within the scope of the standard.
Fourth, strict enforcement of product process discipline, guaranteeing the processing and manufacturing process operation procedures.
Five, ensure product inspection equipment is complete, detection means complete, and inspection of the quality of the product components in accordance with the specification acceptance, unqualified products are not allowed to the factory.
Six, establish a complete product file, do have a contract order, production records, inspection machine account, warehouse have a certificate of approval, the factory has especially.

Pre-sale service:
"High stone valve" has the most comprehensive the most professional technical team, according to the user's requirements on product categories, structure, performance, technical indicators, product selection for technical discussion and communication, such as non-standard product design, troubleshooting and preliminary technical common failure analysis and prediction.

Sale service:
Heart and thoughtful service and innovation is as important as the product technology, quality products and excellent service, can truly reflect the advantage of "high stone valve". In the process of cooperation, abides by the contract, supply on time with good quality, keep contact and communication with the user. In the process of product installation or use, free for the use of product performance, installation and debugging, troubleshooting and maintenance and other aspects of training and guidance. For special or customized special products, can be assigned to professional and technical personnel on-site service.

After-sales service:
"Stone high valve shall practise a system of perfect user profiles and entire journey service, each user is assigned to a professional project manager for the whole free technical advice, installation guide, tracking services, and related consulting services, let users really experience professional service advantages.
1. "stone high valve" provided by the product from the date of delivery, under normal use, warranty period is 12 months, the warranty period, belong to the confirmed production causes deficiency affects use of product, all three services (baotuibaohuan warranty).
2. Users in the transportation, loading and unloading, and storage, without authorization, remove the damage of products or products caused by the improper maintenance and so on is beyond the scope of warranty. Such as improper use or outside the warranty period, our factory to product through lifetime technical service, charge spare parts cost.
3. The problem of users such as found that the quality of the product or service complaints, the factory after receiving the user communication, according to the distance of the distance, the city's urban 12 hours arrived at the scene, outside the area encounter major problems within 36 hours and rushed to the scene
4. After the expiration of our commitment to quality assurance to provide maintenance services, the most preferential price quickly and at the request of the buyer to send technical personnel to the buyer's site for technical service.
5. Our factory supply adequate, complete varieties, rich accessories, contingency plans and measures, can timely solve user temporary emergency needs.
6. Products in use process, the user, using performance, improve the quality of product feedback or other constructive Suggestions, etc., will actively adopt "high stone valve" and improvement, in order to further improve product quality, better return users.