Development

ABOUT US

Mainly produces and sells valve regulated sealed lead-acid batteries, DC power supply cabinets (screens) and various inverter power supplies

WEN LONG

development path

2010.4

Recognized as "Well-known Trademark of Shandong Province" by Shandong Trademark Administration

2009.5

Passed ISO9001 quality management system certification, ISO14001 environmental management system certification, ISO18000 occupational health and safety management system certification.

2009.1

Recognized as "Shandong Famous Brand" by Shandong Famous Brand Strategy Committee

2008.12

Recognized as "High-tech Enterprise" by Shandong Science and Technology Department

2007.4

Recognized as "Shandong Famous Trademark" by Shandong Trademark Administration

2006.5

Passed ISO14001 environmental management system certification

2004.4

Recognized as "Shandong Famous Trademark" by Shandong Trademark Administration

2002.8

Passed ISO9001 quality management system (2000 version) certification

2002.7

GZDW type microcomputer monitoring high-frequency switching DC power supply cabinet, listed as "National Key New Product" by the Ministry of Science and Technology

2001.8

Passed ISO14001 environmental management system certification

2001.4

The company's products use the "favorable" brand trademark, recognized by the Shandong Province Industrial and Commercial Bureau as "Shandong Province famous trademark".

1998.11

Fixed type valve regulated sealed lead-acid battery was listed as "National Key New Product" by the Ministry of Science and Technology of China AAA Grade Credit Enterprise" by Shandong Province Credit Rating Center

1997.6

Named as "China Patent Shandong Star Enterprise" by Shandong Patent Administration

1996.10

Passed ISO9002 quality system certification for the first time

1996.8

Recognized as "National Torch Plan Key High-tech Enterprise" by the State Science and Technology Commission

1994.12

Recognized as "High-tech Enterprise of Shandong Province" by Shandong Provincial Science and Technology Commission

WENLONG’SPROSPERITY BENEFITS THE WHOLE COUNTRY

Contact Number：

+86-0631-8845199     +86-0631-8846896

Contact Email：

wenlongdianchi@163.com

Contact Address：

Weihai city in shandong province tangerang district ge home town in the British village north