清波、碧浪，遠眺如煙；巍巍望兒山，枕水渤海灣！大成金剛石工具廠就誕生在這美麗富饒的祖國遼南營口經濟技術開發區。企業創始人衣佩成先生系統的高等教育，多年的軍工生產實踐、技術管理和行政管理工作經驗，塑造了他有峰必攀，知難而進的工作作風。以技術難點為榮，以確保產品質量為己任，讓用戶滿意為宗旨的思想理念，已成為大成員工的行為指南和企業經營綱領。 企業生產的XJL-42羅盤測斜儀；金剛石地質鉆頭及配套的擴孔器；復合片鉆頭；電鍍鉆頭；異形金剛石工具等系列產品以其性強，技術含量高，質量性能可靠等優勢，不斷受到用戶的青睞。 The clear and blue waves look like the mist,if seen far away.The famous Wang""er Hill is just near Bohai harbor.Dacheng Diamond Tool plant is established in Yingkou economic-technology developing zone in southern part of Liaoning province,China.Mr.Yi Peicheng,the founder of this enterprise determined to clime any mountains and never stop advancing despite any kind of difficulties because of his advanced education,solid experience in military weapon producing,technology management and administration works.All employees in Dacheng group take pride in overcoming technological difficulties,put the quality assurance as their first priority,and do everything possible to meet customer""s needs.All this above-mentioned serve as their working guideline of Dacheng group. All the products in this company such as XJL-42 slanting measurement of compass,geology bore bit of diamond and its supporting reamer,dimorphism diamond and its series production enjoy good reputation among its customers.