U.S. CUSTOMS FINDS ATTEMPTED EVASION OF DUTIES ON QUARTZ SURFACE PRODUCTS FROM CHINA transship from China to USA Fifteen U.S. importers have allegedly evaded antidumping and countervailing duties imposed on quartz surface products from China, according to a preliminary determination rendered by the U.S. Customs and Border Protection Agency. The action by trade officials, announced this week by Cambria Company LLC, “is evidence of a sophisticated and coordinated effort on behalf of China to circumvent tariffs and violate existing U.S. trade law,” according to the Le Sueur, MN-based producer of quartz surface products. About Cambria:   Cambria Company LLC, headquartered...