SHANGHAI SIHUA PRECISION MACHINERY CO., LTDProfessional in precision roll forming machine combine with punching and packaging production systemsSince 1998 SIHUA engineer has manufacturing first metal processing machines in Taiwan factory according to the Customers’ request. For over twenty years experiences, SIHUA machines are well-known for being easy operating and durable quality.SIHUA have manufacturing of excellent products starting from metal coils, including punching, cutting, roll forming and packaging.Our proven and reliable technologies, inserted into highest quality systems, guarantee the value of your investment.SIHUA trading based in SHANGHAI CHINA service all world professional metal working companySIHUA factory in Kunshan city Welcome all world customers visit SIHUA factoryL…