1987 Mr. Zhou Yuejian founded the Cixi Surrounding City Hardware
Plastics Plant
1987 Designed and produced the automatic water input valve of washers
(electromagnetism driven fore-leading valve), and obtained the
extensive application;
1988 Designed and produced all kinds of valves including the gate valve, the
cut-off valve, the water faucet, and the ball valve and so on.
1992 Designed and produced the IC sockets , sold to all places in the
country.
1997 Designed the meter structure of the Beijing IC card electric instrument
project, produced massive sockets and meter structural elements. Of
those products, the sockets are the only applicable sockets in 1997,
1998.
1997 Mr. Zhou Yuejian founded Ningbo Long Kang intelligent
measuring appliance limited company
1997 Cixi Long Kang electron accessory factory was established. Latter the
name is changed to Ningbo Long Kang intelligent measuring appliance
limited company.Designed and produced the first Chinese battery-driven
water pipe valve, and has obtained three patents of "Valve Structure",
"Control Sealing Cover", "Controller and Valve Assembly Structure".
After this product enters the market, it obtained the large support and
praise from the IC card water meter production enterprise;
1998 Designed and produced the first Chinese large-caliber fore-leading
valve to use the battery power supply and the motor-driven controller;
1999 Designed the first Chinese small power loss motor-driven large-caliber
fore-leading valve.Solve nine major problems on the water hammer , the
blocking of the forerunner hole, the vibration, the battery driven, the
electrical machinery control, the epithelium life, the product to be
moisture-proof, the low pressure work, the small current capacity work
and so on, and has obtained five patents.
1999 Body-separate IC card water meter was successfully published.Has solved massive problems in the application and the production at that time , the products are massively sold to more than 70 domestic IC card water
meter production enterprise, and has obtained six patents, namely "Water meter message transfer device", "Card Style Gas-Burning Meter, Water
meter Installation Structure", "Fore-Leading Valve Starting Structure",
"Zero Pressure upside down Fore-Leading Fore-Leading alve", "Spring
.Openning Self Seal Socket ", "Whole Seal Structure of the Meter Valve".
2000 The integral-type IC card water meter was published Solves the problems
of magnet steel easily pulverizing in the water, socket sealing,
electric circuit consumption of electricity, inaccurate measurement of
the water meter, sealing and pressure resistance of the message lines,
water disturbance of the valve core device, magnetism adsorption of the
dry meter, initial movement value of the dry meter, meter valve
connection and so on, and has obtained many domestic and international
patents.
2001 the company has obtained the measurement permit;Developed and produced
the IC card hot water meter;
2002 Long Kang integral type IC card water meter passed the technical
assessment of the construction department, the appraisal opinion was
"this product has achieved the domestic leading level".
2004 Long Kang integral type IC card water meter is listed by the
construction department as "the science and technology achievement
promotion project of the the construction department in 2004"
Long Kang integral type IC card water meter is listed by the
construction department as " the advanced applicable technology and
product recommendation project of the national small city construction",
and the message is sent to various provinces, regions and cities of the
nation.Enterprise passed through ISO9001-2000 quality system
authentication.
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