In 2015, our team focused on researching and producing a series of products such as high vacuum valves and semiconductors in Ganzhou City, Jiangxi Province. In 2017, Shenzhen Senlongda Technology Co., Ltd. was registered and established in Changxing Science and Technology Park, Shajing Street, Bao'an District, Shenzhen, Guangdong Province, and applied for multiple national patents. In 2019, "Dongguan Wocheng Technology Co., Ltd." was registered and established at Peking University Optoelectronics Research Institute on Qinyuan Road in Songshan Lake Park, Dongguan City, Guangdong Province. It is a professional manufacturer of vacuum semiconductor valves that integrates design, research and development, and sales.

Main products: research and sales of high vacuum plug valves, ultra-high vacuum plug valves, high vacuum baffle valves, electromagnetic globe valves, high vacuum swing valves, high vacuum transfer valves, solenoid valves, diaphragm valves, control valves, transfer valves, high vacuum butterfly valves, semiconductor valve accessories, photovoltaic transmission accessories, high vacuum pipelines, VCR joints, various vacuum accessories, flanges and related accessories, non-standard equipment and general equipment. The company operates import and export businesses, with products exported to countries such as the United States, Japan, India, and Vietnam. The application fields of the company's products include vacuum, semiconductor, new energy, optical and optoelectronic, battery, food, environmental protection, machinery, and scientific research and development industries.

We also offer various types of vacuum valves, including pneumatic valves, electric valves, multi-stage pneumatic valves, and pressure control valves, to meet the needs of different customers. Through close collaboration with customers, we are able to provide the most suitable product solutions to meet their needs. Our clients include numerous well-known enterprises, listed companies, and institutions, who have highly praised and recognized our products and services.

Our technical team has rich professional knowledge and experience, and can provide comprehensive technical support to customers. Our after-sales service team provides attentive service and timely and effective solutions to ensure that customers' valve products are always in good operating condition.