Product Description RV series worm gearbox / speed reducer is a new generation of products developed by our company with combination of advanced technology both at home and abroad. It feature in 1) Aluminium alloy die cast casing for RV 571,030,040,050,063,075,090,light weight and non-rusting;cast iron casing for RV110,130,150. 2) large output torque. 3) stable transmission with lower noise. 4) high gear-radiation efficiency. 5) elegant shape,small volume and durable serving life 6) suitable for omnibearing installation /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1…