About Us




Goldlink Industries Co., Ltd. was founded in June 1988. After 30 years of development, Goldlink succeeded to be a comprehensive industrial enterprise, involves chemical raw materials, textiles, garments, valve controls and other related categories of industrial fileds. 

Valtop branch was established in 2009, focused on valve controls industry. Valtop joint designs, innovates and manufactures high quality limit switch boxes, mechnical positioners, smart positioners and pneumatic actuators. Our customers are located in China, the United States, 

As a leader of valve position indication and position controlling field. ALS series limit switch box, ALSD series top valve controller, ALP series mechanical positioner and ALHVP series smart positioner, offer the highest value for end users with its peerless reliable performance, features of easy erection and maintenance and absolute cost performance. The carefully-selected corrosive-resistant materials, precise machining of explosion-proof protective face and obtaining of various top-grade international explosion-proof certifications make ALS, ALSD and other series products be the best choice in severe environment.