DELLOK copper tube stainless steel tube with aluminium SS spiral L/LL/KL fins or extruded fins
About us
DELLOK (YONGHUI RADIATING PIPE MANUFACTURING CO.,LTD.) was established in 2002, which is located in Jiangsu, China. After many years of development, the company now has 66 million yuan in fixed assets, more than 200 employees, and 33 technical staffs. We have 4 aluminum processing production lines, with the annual processing capacity of more than 20,000 tons; And we have 5 tube-drawing production lines; 47 fintube production lines, 1 imported production line from American with the brand of McElroy , with the annual production capacity of 12 million meters the above. Quality is the theme of eternal pursuit of winner -Production workshop- Meticulous works, standardized management system and systematic quality assurance are Dellok(YONGHUI)'s best commitment to quality. In Dellok(YONGHUI), the quality control is not only the detection of the final process, but throughout the entire production process. We implement a set of quality control and assurance systems. Each batch of pipes is sampled and tested, and records are kept as a quality guarantee for the final product.

Tube Material:All Kind of Material Can Be Applied
Fin Material: Aluminium, Stainless Steel, Copper, Special metals As Required.
Tube OD:38-219mm
Tube Thk:4.0-15.0mm
Stud OD:6-16mm
Stud Height: 10-45mm.
After sales
The general after-sales service plan for products can include the following aspects:
1. Product Quality Commitment :
Ensure that the manufacturing and testing of the product meet or exceed national standards.
Provide professional quality testing to ensure that all product indicators meet customer requirements.
If any quality issues are found during the warranty period, we promise to take full responsibility.
2. Delivery Time Commitment :
Ensure that the product is delivered to the designated location according to the customer's requested time.
Willing to negotiate with customers for special requirements or early completion needs to ensure timely satisfaction.
3. After sales service response :
Provide 24-hour online customer service support and answer customer inquiries.
Establish a dedicated after-sales service hotline to facilitate customer contact at any time.
Provide regular product maintenance and inspection services.
4. Customer feedback and improvement :
Encourage customers to provide product feedback in order to continuously improve their products and services.
Based on customer feedback, adjust product strategies in a timely manner to meet customer needs.
The above is a general after-sales service plan for products, and the specific content may need to be adjusted according to product characteristics and customer needs.