1)WWPA(Western Wood Products Association),美东木制商品协会2)British Woodwork Manu-facturer's Association,BWMA,英国木制品制造商协会3)WWMMP ( Western Wood Model Manufacture Product),美东木制模具生产协会4)English Joinery Manufacturer's Association,EJMA,英国细木工制品商协会5)NAWM National Association of Wool Manufacturers(U.S.A),全国羊毛制品商协会[美]6)CMA Chemical Manufacturers Association (USA),美国化学品制造商协会
