Dechuang Precision Machinery Co., Ltd produces modular machines and spare parts for automobiles and construction machines. Now we manufacture Caterpillar, Cummins and GM cylinder heads that we export to USA. CAT cylinder head has three kinds: 8N1187,8N1188 and 8N6796. CUMMINS cylinder head is 6CT. Alll products of company are controlled whole process from buying material till selling according ISO9001.