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海北One out three integral needle valve hot runner more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
海北Development of an eight needle valve hot runner system more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
海北Design of a six piece integrated oil valve hot runner system more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
海北One out two needle valve hot runner system more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
海北Needle valve side injection hot runner system more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
海北A 64 chamber needle valve system hot runner system more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
海北Small spacing multi chamber needle valve hot runner system more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
海北Double layer stacked hot runner more+ Product Introduction:1. Shorten the cycleThe molding cycle of the parts is shortened, and due to the lack of cooling time…… 
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