Wenzhou Haoguan Lock Technology Co., Ltd. is a collection of research and development, produc-tion, sales as an integrated company. Our management team have more than 20 years of experience in manufacturing locks.

Yueqing Zhijiu Electric Co., Ltd. is a professional manufacturer specializing in the research, development, production, and sales of high-quality switching power supply products. Based in Yueqing, a city renowned for its electrical manufacturing industry in China, our company is committed to delivering reliable, efficient, and innovative power solutions to meet the diverse needs of global customers. With a strong focus on technological advancement, strict quality control, and international certifications, including CE, KC, FCC, and RoHS, we have established ourselves as a trusted partner in the power supply industry, serving clients across various sectors such as industrial automation, telecommunications, consumer electronics, and renewable energy.