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opteco™ is the registered brand of Leff international which includes eco-friendly products in the field of solar industry and cold chain industry. The company is certified by ISO9001 and ISO14001

Our support Hotline is available 24 Hours a day:
0086 532 88961820

0086 532 88961819

CONTACT INFORMATION

0086 532 88961819

0086 532 88961820

david@opteco.cn

http://www.opteco.cn/

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