HOME
ABOUT US
PRODUCT
PARTNER
NEWS
CONTACT US
REPORT
Company Profile
Enterprise vision
Culture
Quality Insurance
Patent
ZL 2019 2 2306637.4
ZL 2019 2 0491348.3
ZL 2018 2 1788557.6
ZL 2018 2 1788576.9
ZL 2018 2 0867329.1
ZL 2018 2 0113333.9
251-US10773617B2-美国发明专利证书
ZL 2019 2 1955441.1
ZL 2020 2 0229719.3
ZL 2020 2 0223632.5
Global| Change Website
Domestic partner
Foreign partner
Corporate news
Trade news
Message
Copyright © 2023 Langfang Goldentime Technology Development Co., Ltd
冀ICP备19008562号
300.cn | SEO