Please contact Zhongshan City Fuyu Hardware Products Co., Ltd Customer Service if you receive incomplete mechanical door lock delivery. We will start a formal inquiry in this regard instantly. If it is our mistake, we will take immediate steps to correct the error and develop countermeasures. We will also prioritize your order to delivering the goods as early as possible. Our company is committed to providing the highest quality product, dependable delivery, and world-class customer service. We value every customer and will make every effort to satisfy them. We will strive for the lowest delivery error rate.

Zhongshan Fuyu Products Co., Ltd. is one of the most influential metal door lock supplier in the field. The best smart lock series is one of the main products of Fuyu. FUYU lock smart lock apartment door is tested to ensure compliance on an international level. The tests include VOC and formaldehyde emission testing, flame retardant testing, stain resistance testing, and durability testing. Its surface treated with plating enables its rust resistance. The product is tested by different standards testing institutions at home and abroad. This product is easy to install without a specialized person.

Zhongshan Fuyu Products Co., Ltd. takes a leading position in domestic heavy duty sliding door lock design and technical support.