shanghai ruibao Rubber Product Company Ltd. is capable of producing kinds of rubber products. with more years experience in rubber sealing processing, and owned experienced staff in rubber processing. Hanfeng starts from designing, material developing, mould processing to shaping. It offers customers the best price, the best quality and service. Hanfeng mainly produces O-RING with all kinds of standard or nonstandard and all kinds of rubber parts. They are the standard of American AS-568, European DIN3771, DIN7715, RMA, Japanese JIS2401P/G series and ChineseGB3452.1-92. Hanfeng can process according to customers´ drawing and samples, develop new kind of mould and make formula as required. Hanfeng´s quality management system is in conformance with ISO9001：2000. anfeng´s aim is customers´ satisfaction, best quality and punctual delivery. 上海瑞堡工贸有限公司是专业从事各种橡胶制品生产，有着多年的橡胶加工经验，并拥有一批在橡胶行业从事多年的技术和管理人员。 公司从产品设计、材料研发、模具加工到成型一条龙作业，为顾客提供最合理的价格、最佳的品质及服务。 公司主要生产的产品有各种标准或非标准的O型圈及各类橡胶杂件，可符合美国AS-568、欧州DIN3771、DIN7715、RMA、日本JIS2401 P/G系列及国标的GB3452.1-92等标准。可承接来图来样加工制作，为客户开发新品模具，设计客户要求的配方。 公司已通过ISO9000：2000认证。 公司宗旨是：客户满意、品质至上、交货准时。 版权所有 © 上海瑞堡工贸有限公司 2003 TEL：０21-54888335 13012812179 13818122826  联系人：田小姐　李先生