11. Code for construction and acceptance of mechanical equipment installation engineering 12. Specification for construction and acceptance of pumping units installation engineering 13. Standard for quality inspection and assessment of installation engineering of coal mine 14. Technical code for construction safety in petrochemical engineering installation engineering 15. Code for construction and acceptance of forging - press equipment installation engineering 16. The main construction technology of installation engineering of sewage disposal plant 17. Code for construction and acceptance of forging - press equipment installation engineering 18. Code for construction and acceptance of metal - cutting machine installation engineering 19. Code for construction and acceptancw of metal - cutting machine installation engineering 20. Code for construction and acceptance of computer , fan and pump installation engineering