From the date of manufacture completion, the canopy safety helmet can not be more than two years, the plastic paper safety helmet can not exceed two and a half years, and the FRP safety helmet can not exceed three and a half years.

A03 Smart helmets that are researched and manufactured for the safe production of the construction industry and industrial and mining enterprises. In addition to the protection functions of the helmets in the general industry, this product has added functions such as intercom, GPS positioning, location sharing, video surveillance, video transmission, photo shooting, flash and infrared light compen...

3-5 days. For special ODM sample, please contact us to check more details.We accept delivery the sample by DHL, UPS, Fedex etc.

Yes, you can buy some samples for testing quality and market.

We have been producing mobile phones for ten years and have developed many classic styles. such as：H216,O5,F211

Recently we mainly pushed 3 phones. details as follows：1、HSEM M5501Branded mobile phone style, Leading the fashion trend.M5501is A cost-effective mobile phone2、HSEM x9High-definition camera, shooting more beautiful picture.3、HSEM T5998MTK6750 1.5Ghz Processor, 5.99 inch 18;9 HD+ 1440*720,Glass battery cover4GB+64GB,Micro SD card ( T-FLASH card), max 128GB

The following are the main features of A03 Smart helmets:1) With high-precision GPS positioning, tracking the status of production at any time.2) 8 million HD camera modules with clear pictures.3) Through the cluster background, realize the communication between each helmet wearer and communicate directly with the production management team.4) Through the smart helmet, you can understand the produ...

Yes,we do.The safety helmet we produce has a patent for appearance.A03 Smart helmets that are researched and manufactured for the safe production of the construction industry and industrial and mining enterprises. In addition to the protection functions of the helmets in the general industry, this product has added functions such as intercom, GPS positioning, location sharing, video surveillance, ...

SHEN ZHEN HSEM Technology CO.,LTD was established in 201.A professional high-technology manufacture in Shenzhen, China. Main products include G S M phone, Smartphone, Smart watch and Smart Helmet.We have more than seven years mobile phone industrial experience in this line, our products are welcomed in Middle East, Southeast Asia and North Europe. HSEM offer O E M / O D M service to our global cus...

Of course, ODM is our strength.Shenzhen HSEM Technology Co.,Ltd is one of the leading China professional ODM/OEM factory. We are professional ODM/OEM mobile phones, Personalized customization smart helmet, factory wholesale price.