Dongguan Heng Da Rui Electronic Technology Co.,ltd

Dongguan Heng Da Rui Company is a professional engaged in the research, development, sale and service of Bluetooth earphones,ANC TWS EARBUDS AND ANC HEADPHONES. Dongguan Heng Da Rui have own R&D team including mold ID design, structural design, acoustic engineering,electronic engineering program and AI design with the creative ideas.We integrate the latest science and technology and fashionable elements into product design to create the unique products. We have our own mold design capabilities and can complete mold opening and injection molding by ourselves. We has passed ISO 9001 and ISO 14000 audited has own independent in house tuning lab and testing lab. we have obtained FCC/CE/ROHS certificates. Selling well in North America、Europe、Korea and Japan . welcome OEM/ODM orders. There are sufficient testing machines including bluetooth tester, R F tester, acoustic tester ，ANC testing , battery aging etc. Heng Da Rui professional QC team including I Q C, I P Q C, Q A, O Q C and FQC have been well trained to control each product quality for international standard. Heng Da Rui will full charge each product and can do aging for each shipment. After 48 hours aging, our FQC workers will 100% manually check each product to ensure their function work well and follow customized UI. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. Heng Da Rui has more than 7,000 square meters workshop area , 500 workers .We have 10 production lines and can turn out up to 500000 pcs every month.We are ready for your volume requests with an annual capacity of 6000000 pcs. Dongguan Heng Da Rui Welcome all ODM OEM projects, feel free to visit our factory anytime ， we are expecting to be your win win business partners in China.