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What animal inspired the modern invention of helmet

Shanghai Sunland Industrial Co., Ltd is the top manufacturer of Personal Protect Equipment in China, with 20 years’experience. We are the Chinese government appointed manufacturer for government power,personal protection equipment , medical instruments,construction industry, etc. All the products get the CE, ANSI and related Industry Certificates. All our safety helmets use the top-quality raw material without any recycling material.

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Solutions to meet different needs

We provide exclusive customization of the products logo, using advanced printing technology and technology, not suitable for fading, solid and firm, scratch-proof and anti-smashing, and suitable for various scenes such as construction, mining, warehouse, inspection, etc. Our goal is to satisfy your needs. Demand, do your best.

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Highly specialized team and products

Professional team work and production line which can make nice quality in short time.

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We abide by the privacy policy and human rights, follow the business order, do our utmost to provide you with a fair and secure trading environment, and look forward to your customers coming to cooperate with us, openly mind and trade with customers, promote common development, and work together for a win-win situation.

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What animal inspired the modern invention of helmet
2S 5A Li-ion Battery Protection Board BMS PCM HX-2S-01 ...
2S 5A Li-ion Battery Protection Board BMS PCM HX-2S-01 ...

2S 5A Li-ion Battery ,Protection Board BMS, PCM HX-2S-01 Specifications: Charging Voltage: 8.4V-9V Overcharge Voltage Range: 4.25V-4.35V ± 0.05V Overpressure Voltage Range: 2.3V-3.0V ± 0.05V Upper Limit Operating Current: 5A Upper Limit Instantaneous Current: 7A Quiescent Current: less than 10uA Internal Resistance: less than 100m Ω

4S 12V 10A PCM PCB BMS Protection Circuit Board for ...
4S 12V 10A PCM PCB BMS Protection Circuit Board for ...

Dongguan Daly Electroniccs Co.,Ltd,Started in year of 2013.Our factory is in Guangdong Dongguan.It is a high-tech company specializing in R&D, production and sales of lithium battery ,protection board (BMS,).The company has an internationally standardized quality management system.We exported our products over 80 countries in the world with good reputation.

3S 10A 12V Lithium Battery Charger Protection Board BMS Li ...
3S 10A 12V Lithium Battery Charger Protection Board BMS Li ...

Find many great new & used options and get the best deals for 3S 10A 12V Lithium Battery Charger ,Protection Board BMS, Li-ion Charging Modul~e% at the best online prices at …

3S 10A Li-ion Battery Protection Board BMS PCM HX-3S-01 ...
3S 10A Li-ion Battery Protection Board BMS PCM HX-3S-01 ...

3S 10A Li-ion Battery ,Protection Board BMS, PCM HX-3S-01. Features: Three series of lithium battery ,protection board,. Automatically cancel ,protection, after ,protection, conditions restore. With function of overcharge ,protection,, over discharge ,protection,, short circuit ,protection,, over-current ,protection,.

24V 6S 15a lithium protection board 6 packs of 18650 PCB ...
24V 6S 15a lithium protection board 6 packs of 18650 PCB ...

6 string 22V power tools solar lighting, 18650 dedicated, three yuan 3.7V lithium battery ,protection board, BMS protection board,. Battery ,protection board,, as the name suggests battery ,protection board, is mainly rechargeable (Refers to the lithium battery) and protect the integrated circuit ,board,.

30A 14.8V 4S Lithium 18650 Battery Management System BMS ...
30A 14.8V 4S Lithium 18650 Battery Management System BMS ...

4A-5A PCB ,BMS Protection Board, for 4 Packs 18650 Li-ion lithium Battery Cell 4S. AU $6.45. AU $7.25. shipping: + AU $1.20 shipping . 1*4S 20A 14.8V 16.8V Li-ion Lithium 18650 Battery ,BMS, PCM ,Protection, PCB Boards. AU $3.73. Free shipping . Lithium Battery protect ,BMS Board, W / Charging Balanced ,Board, 12V 20A 3S packs.

2S 5A Li-ion Battery Protection Board BMS PCM HX-2S-01 ...
2S 5A Li-ion Battery Protection Board BMS PCM HX-2S-01 ...

2S 5A Li-ion Battery ,Protection Board BMS, PCM HX-2S-01. Short Circuit ,Protection,: ,protection,, delay self-recovery. Charging Voltage: 8.4V-9V

3S 11.1V BMS Board Balance Version with Protection ...
3S 11.1V BMS Board Balance Version with Protection ...

3S 11.1V ,BMS Board, Balance Version with ,Protection,. 3S 11.1V ,BMS Board, Balance Version with ,Protection,. Product Size: 56 * 45 * 4mm. Charging voltage: 12.6-13V. Equilibrium current:56mA. Quiescent Current:less than 30uA. Upper limit operating current: 25A. Upper limit instantaneous current: 22A. Overcharge voltage range:4.2V-4.3V

HX-4S-F100A 100A 4S BMS 18650 Battery Protection Board
HX-4S-F100A 100A 4S BMS 18650 Battery Protection Board

This HX-4S-F100A based 100A ,BMS board, also called ( battery management system ). HX-4S-F100A is a ,protection board, for li-ion 18650 cells. There are 10 MOSFET'S, strong heat-dissipating aluminum sheet installed on it, and the continuous current limit is 100A.

24V 6S 15a lithium protection board 6 packs of 18650 PCB ...
24V 6S 15a lithium protection board 6 packs of 18650 PCB ...

6 string 22V power tools solar lighting, 18650 dedicated, three yuan 3.7V lithium battery ,protection board, BMS protection board,. Battery ,protection board,, as the name suggests battery ,protection board, is mainly rechargeable (Refers to the lithium battery) and protect the integrated circuit ,board,.