HongCheng is a trading company owned by a factory of Donguan HanMa Electronic Co.,Ltd,eablished in Dongcheng District, Dongguan City.The factory covers an area of 5000 square meters,with standard and tidy workshops and more than 800 excellent workers conscientiously.
Our company specializes in producing High Frequency Transformer, Low Frequency Transformer, Inductor Line, SAW Filter, Inverter...Products are widely used in Computer, Communication, Home Appliance, Medical, Automobile, Photovoltaic, New Energy and other products.
Also we have four more factories to produce difference products, such as cleaning product(dustpan, bucket, mop, broom, serving cart, soap dispenser and paper dispenser), Cellphone back cover board, smartphone use glue, pet toy and electronic products(Wifi Bluetooth Speaker, Education robot ).
In the process of development, the company always adheres to the business philosophy of "Improving Quality and Customer First", and satisfying customers' needs with high-quality product quality and satisfactory after-sales service.
The company has obtained ISO9001 quality system and UL safety, a whole series of insulation system certification, the raw materials are in line with the SGS, UL, ROHS certification requirements,the current products are exported to Europe and The United States, The Middle East, Japan, Taiwan and Mainland China.