标题（Title） 一般不超过80个字符
Hebei Jin Du Metal Technology Development Co., Ltd.—Mechanical casting | refrigeration compressor castings | lift | cas...
（122 个字符）
关键词（KeyWords）一般不超过100个字符
Mechanical casting | refrigeration compressor castings | lift | castings of wind power equipment casting | pump valve body casting | hydraulic motor cylinder casting | railway machinery casting
（193 个字符）
描述（Description）一般不超过200个字符
hebeijindumetaltechnologydevelopmentlimitedcompanymachinerycasting|refrigerationcompressorcastingscastings|telephone|liftwindpowerequipmentcasting|pumpvalvebodycasting|hydraulicmotorcylindercasting|railwaymachinerycasting
（221 个字符）
