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telko is a distributor and expert of plastics, chemicals and lubricants. we help you to improve your products and businesses at a local level.

德尔塔(delta) ,提供化学试剂、生物试剂、分析试剂、材料试剂、高端化学、试剂耗材、实验室试剂、科研试剂、色谱耗材、生化试剂等耗材试剂一站式服务网站。