| 1973 |
SUPERO SEIKI CO.,LTD.（Established）,and development of Vulcanized Rubber Lining Butterfly Valve under the technical tie-up with Okano Valve Mtg.Co.,LTD. |
| 1974 |
Development of Air Slide Conveyor（Pneumatic Power Conveyor）for the powder conveying system. Development of Joint Type Butterfly Valve,Check Valve,and High Speed Exhaust Valve. Development of Metal Touch Butterfly Valve & Damper for the high pressure shut-off application. |
| 1976 |
Development of Joint Type Butterfly Valve,Check Valve,and High Speed Exhaust Valve.Development of Metal Touch Butterfly Valve & Damper for the high pressure shut-off application. |
| 1982 |
Development of Two Ways Valve for Powder Conveying System. Development & Delivery of Blending and Mixing System for the Blast Furnace Cement. |
| 1985 |
Development & Delivery of Bulk（Cement） Handling system to Korean Shipbuilding Corp.（Currently Hanjin Shipbuilding）for 8,000DWT Cement Carrier.（1st Turn-Key(Full system) base contract from Korean Customer） |
| 1992 |
Delivery of Bulk（Cement） Handling System to Tabuchi Kaiun / Sumitomo Cement Co. for 7,500DWT Cement Carrier. (1st Turn-Key(Full System) base contract from Japanese Customer） |
| 1995 |
Development & Delivery of Fly Ash Ship-Loader,Swiveling Gear,Telescopic Shoot Lifter for Hokuriku Electric Power Co., Nanao Ohta Thermal Power Plant.（2 stage swivel,1st stage 7.7meter,2nd stage 7.0meter） |
| 1997 |
Delivery of Fly Ash Aeration System & Silo System to KHI PLANT / TOKUYAMA （Capacity of Silo was 8,000ton.This is one of the largest silo in Japan.）
Delivery of Fly Ash Loading / Un-Laoding System to Ssang Yong Shiping / Shin A Shipbuilding for 10,000dwt Fly Ash Carrier.（10th Turn-Key（Full System）base contract from Korean Customer）
-Until 2010,SUPERO SEIKI has many experience about Cement & Fly Ash Carrier System around 45 sets of Turn-Key（Full System）Contract and over 150 sets of Cement Carrier System engaged.Also,zement silo Aeration system（30,000ton Slug Power Silo）,selivered.- |
| 2003 |
Development & Delivery of the Vacuum & Pneumatic System for Cement Carrier. （8,000DWT Cement Carrier / Full System） |
| 2004 |
Development & Delivery of 3sets of Bulk Handling System to Korean Customer for 10,000DWT Turn Key（Full System）base contract from Korean Customer. "This order was not only delivered the equipment,but also we worked all installation works of Cement Handling Sysytemn in the cement carrier. |
| 2007 |
Build a new Factory and expand our factory space. |
| 2009 |
Development & Delivery of the Screw Conveyor System for Cement Carrier. |
| 2010 |
Development & Contracted Coal Handling System（Coal Self Un-Loading System（Full System））for 10,000DWT Coal Carrier from Korean Customer. （1st Turn-Key（Full System）base contract of Coal Self Un-Loading System and it's included all installation works of Coal Handling System in the coal carrier） |
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