Quality Control - Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd.

QC Profile

1) Supply raw material certificate, quality guarantee, Mill Test Certificate

2 ) Three Inspection : raw material ,pressure,measurement of size , package and finishing

3) Warranty period: within one year after receipt of the goods

4) Packing with Plastic Mat, Waterproof Paper , drying agent/desiccant and plastic cap

For light ,short fin tubes ,we use exporting wooden case

For heavy, long fin tubes ,we use iron frame wooden case

On the top of the package ,we weld more square steel to protect the package

Our Service

1.	Inquiry-Professional quotation, or send inquiry item more details ,we start contact more details.
2.	Confirm the price, lead time, payment term etc.
3.	Our sales send the Proforma Invoice with our seal, or you order online to us.
4.	Customer make the payment for deposit and send us Bank receipt.
5.	Initial Production Stage-Inform the clients that we have got the payment,And will make the samples according to your request, send you photos or Samples to get your approval. After approval, we inform that we will arrange the production & inform the estimated time.
6.	Middle Production-send photos to show the production line which you can see your products . Confirm the estimated delivery time again.
7.	End Production-Mass production products photos and samples will send to you for approval. You can also arrange the third party Inspection
8.	Clients make payment for balance and Ship goods , Inform the tracking number and check the status for clients
9.	Order can be say "finish" when you receive the goods and satisfy with them.
10.	Feedback to our about Quality , Service, Market Feedback & Suggestion. And we can do better.

As a factory supplier profit / Assurance for you:		About our products profit for you:
1. 100% Product quality protection		1. Best quality,lowest price for you winner marker
2. 100% On-time shipment protection		2. More than 10,000 square meters workshop
3. 100% Payment protection		3. Including 10 extrusion fin machines
4. TOP 1 "fin tube&heat exchanger" factory		4. Daily extrusion capacity up to 5,000 Meters
5. We passed CE & ISO &ROHS certified		5. We supply fin machines, extrusion muff sleeves and all accessories

Our Certificates

China Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd. certification

ISO9001:2015

Certificate Number:CNBJ313063-UK
Issue Date:2020-10-26
Expiry Date:2024-11-25
Scope:Manfacture of fin tubes (L fin,LL fin;KL fin;G fin; Extruded fin;HFW fin)
Issued By:Bureau Veritas

ISO14001:2015

Certificate Number:016SH19E31154R1M
Issue Date:2016-08-18
Expiry Date:2024-08-25
Scope:Manfacture of fin tubes (L fin,LL fin;KL fin;G fin; Extruded fin;HFW fin)
Issued By:CNAS

ISO 45001：2018

Certificate Number:016SH19S30213R1M
Issue Date:2016-08-18
Expiry Date:2024-08-17
Scope:Manfacture of fin tubes (L fin,LL fin;KL fin;G fin; Extruded fin;HFW fin)
Issued By:CNAS

ISO 9001:2005

Certificate Number:CN038017
Issue Date:2014-10-28
Expiry Date:2024-10-25
Scope:Manufacture of Fin Tubes Aluminum Materials and Single and Bi-metal Fin Tubes (L Fin,LL Fin, KL Fin,G Fin,Extruded Fin)
Issued By:Bureau Veritas

Occupational Health and Safety Management System Certificate

Certificate Number:No.04222S20055R1M
Issue Date:2022-08-31
Expiry Date:2025-08-17
Scope:THE MANUFACTURING AND RELATED ACTIVITIES OF HEAT EXCHANGING TUBES,SINGLE AND DOUBLE EXTRUDED TYPE FIN TUBES AND SO ON
Issued By:Shanghai Certification Center of Quality Technology (Address: No.627,Yongjia

Environment Management System Certificate

Certificate Number:NO.04222E20071R1M
Issue Date:2022-08-31
Expiry Date:2024-08-17
Scope:THE MANUFACTURING AND RELATED ACTIVITIES OF HEAT EXCHANGING TUBES,SINGLE AND DOUBLE EXTRUDED TYPE FIN TUBES AND SO ON
Issued By:Shanghai Certification Center of Quality Technology

Dellok Yonghui Radiating Pipe Manufacturing Co.,Ltd. Quality Control