Huahe has established long-term and stable cooperative relations with well-known suppliers at home and abroad, and carries out strict testing on all incoming raw materials to ensure that they meet relevant standards and requirements.
According to the sample test records provided by the technical department and the inspection records and drawings provided by the supplier shall be the inspection standards of the parts.
According to the classification of random inspection, strictly in accordance with the required items (size, tolerance, mold number, weight, appearance, resistance value, color, etc.) for comparison. The sampling inspection process shall not be falsified. It must be checked and recorded one by one, and signed and confirmed without any problem points before it can be stored.​​​​​​​

Huahe adopts advanced production equipment and technology, and strictly implements process flow and operating procedures as well as perfect quality inspection system to ensure product consistency and stability.
We Huahe each product will be in accordance with (work instructions) and (inspection record standards) and (plan of single parts requirements "sampling and full inspection. Random inspection refers to a random inspection of each shift, at least 150 units a random inspection, the order quantity is greater than or equal to 20 units must have an inspection report, and do a record of inspection. Full inspection means that each product is carefully and quickly compared according to (the first piece). False inspection shall not be missed in the inspection process, and make a mark to avoid no inspection during the departure.​​​​​​​

Each product of Huahe has undergone strict testing before leaving the factory, including appearance testing, size testing, performance testing, etc., to ensure that the product meets the design requirements and customer standards.
Random inspection of finished products according to (plan sheet) and (product inspection preparation), inspection items (appearance, size, performance, start-up, grounding, etc.). There are sampling requirements that each order must be in accordance with the sampling rate of equal to or more than 2%, orders less than or equal to 20 must be drawn 1 and the record is filed.
If there is a customer inspection on the day, we must first sample for enhanced testing, and the next day must complete the unfinished sampling quantity, and a record of inspection.​​​​​​​