| 1. | Seiken industrial co . , ltd is a manufacturer dealing with various products of environmental protection , anti - static electricity and packing materials , with its main products including suck plastic trays , folding boxes , corrugated plastic sheet products , circulation cartonbox container etc 精研科洁实业有限公司是以生产、经营各类环保产品、防静电产品、包装制品为主的制造厂家,主要有吸塑托盘、折盒、中空板制品、物流箱、纸箱等产品。 |