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石景山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…… 
石景山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…… 
石景山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…… 
石景山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…… 
石景山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…… 
石景山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…… 
石景山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…… 
石景山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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