HENGHAO SALES AND TECHNICAL SUPPORT
1）Sales philosophy:  Customer first, continuing to create value for customers.
2）Free samples and delivery:  HENGHAO offers free standard samples and customer demand customized sample 100 or less, freight borne by the customer. Delivery: sample and stock, 1 to 7 days delivery; and the specific needs of a given product samples or customer order takes 2 weeks.
3）Quality Systems:  HENGHAO has improved and strict quality management system, the factory passed the ISO9001 management system, the product passed the UL, TUV CQC KC ROHS and other various safety certification. We have a comprehensive standard to achieve UL witnessed laboratory.
4）Sales service and technical support:  Delivery provides quality test data and report quality certification, also offers a free sample test reports and follow-up technical support for customers.
We have OEM and ODM service, can be customized according to customer special shape products.