Nihon Plast Co. shut its plant June 17 in Zhongshan, Guangdong province, after workers walked out demanding higher wages.

6月17日，由于工人要求涨薪资，日本普拉斯特公司关闭广东中山工厂。

STAK PLAST cosmetics packaging companies and a wide range of very unique, personalized response to the new century the trend of cosmetic products and services.

STAK PLAST公司的化妆品包装极具特色且种类繁多，顺应了新世纪个性化妆品及服务的潮流。

The ways of improving the toughness of white cast iron Were reviewed by means of low-alloying, modification, hot plast deformation, casting and heat treatment.

从低合金化、变质处理、热塑性变形、铸造和热处理等几个方面，综述了国内提高普通白口铸铁韧性研究的进展情况。