内蒙古明耀特种灯具有限公司(简称“明耀公司”),是一家中外合资企业,核准登记的经营范围是,生产销售特种灯泡、广告和装潢装饰灯、舞台艺术灯。1992年5月,明耀公司和山东泰安公司签订了一份三合板购销合同。5月28日,在看了明耀公司的营业执照之后,宁夏银海保丽板厂(简称“保丽板厂”),即与明耀公司 Inner Mongolia Mingyao Special Lighting Co., Ltd. (referred to as “Mingyao Company”), is a Sino-foreign joint venture, approved the registration of the business scope is the production and marketing of specialty bulbs, advertising and decorating decorative lights, stage art lights. In May 1992, Mingyao Company and Shandong Taian Company signed a contract of purchase and sale of plywood. On May 28, after reading the business license of Mingyao Company, Ningxia Yinhai Poly-board Factory (referred to as “Poly-board Factory”), namely Mingyao Company