1．Germany MAHLE,HYDAC Filter ,MP Filtri Filter

2. USA KAYDON,PALL Filter

3．Moog control valve and service serve

4．ASCO electromagnetism valve,USA PARKER hydraulic pressure element and hydro-control element.

5．JAPAN NAGANO KEIKI pressure switch，sensor and various detect apparatus

6．Atlas Copco,HANKISON,INGERSOLLRAND,富达,复盛,CompAir,SULLAIR three sieve element.

7．USA HYDAC、DYWER、VICKERS、HAWE hydraulic pressure element and hydro-control element

8．Norgren,Herion,SMC gas stir element、hydro-control element.

9．ABB process control meter analysis meter,HONEYWELL pressure gauge and DCS system spare part.

10．E+H water quality analysis meter liquid location meter。

11．FANAL diversified pressure switch.

12．Germany BARKSDALE various control element

13. Japan NIKKISO Pump

14. Douglas Instruments Success in protein crystallization

15. NOK airproof ring or continue made to order diversified specification pressurize ring