Goldlink Industries Co., Ltd. is a professional manufacturer of limit switch box, top valve controller and valve positioner. According to international standard of ISO9001:2008, ISO5211, NAMUR, DN3337, IP and European production standard of 94/9/EC OF 23 MARCH, EN13980, EN60079-0:2006 and EN60079-1:2004, the company has carefully created ALS series limit switch box, ALSD series top valve controller, ALP series mechanical positioner and ALHVP series smart positioner by utilizing internationally advanced industrial and art design techniques and patent technologies with intellectual property rights in combination with site requirements of control valve. Over the past ten years, the company has won a number of national patents with the unique technologies filling up gap in China. Since 2008, the company’s quality system and explosive-proof products passed ATEX and IECEx international certifications.

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