偷拍在线观看福利视频-亚洲一区二区三区蜜桃臀-加勒比在线日本免费二区-激情五月六月婷婷综合

IVY

Environmentally friendly, strong light flashlight improve their competitiveness

Chinese flashlight manufacturers are producing the environmentally friendly energy saving products so as to earn more orders with the development of the flashlight brand. Energy saving flashlight, indoor and outdoor lamp and accessories are included in the World Energy Report, it also points out that to keep the export recovery, the suppliers should be competitive, like producing the energy saving light and led light. “China Sourcing Reports said energy saving light (strong light flashlight) is increasingly demanded since incandescent lamp is forbidden in lots of countries; meanwhile, the export quantity of led lighting products growth. We estimate the demand will [...]

By |February 18, 2016|Categories: Knowledge Center|0 Comments

Useful for camping and hiking, Tank007 TK737 zoom flashlight

Camping flashlights don’t need to have high brightness, but it requires good floodlight and long life battery, it’s better to last over all night and can match diffuser. Tank007 TK737 was designed based on some outdoor activities like camping, hiking, searching etc. It’s a high power led flashlight, adopts the convex lens, rotate the head to condensation and floodlight; use non-slip rolling lines on the surface, simple appearance. Darkness is scared, darkness would make you more dangerous when you camping in the wilderness and hiking, you would meet with a thief or step on something strange, happy travel, portable, technical [...]

By |February 18, 2016|Categories: Knowledge Center|0 Comments

Jade collectors carry jade expert flashlight

“Collection has its way, rich people buy boutique, poor people buy authentic.” Famous jade and china expert Zhenhua Yang emphasized, lots of people buy a beautiful jade, but it is a stone after checking by the expert. How to find the “treasure” in the messy jade market? Zhenhua Yang thinks we should pay attention to the details, including the material, wrapped slurry, ooze color, decorate pattern, royal products or folk products. If you want to know it’s jade or not, you can conclude its dynasty by knowing the history of jade. Zhenhua Yang suggests collectors carrying jade expert flashlight. “Shine [...]

By |February 17, 2016|Categories: Knowledge Center|0 Comments

UV flashlight’s ultraviolet ray has sterilization function on the food surface

It was tested that same two cakes, one was shined by the UV flashlight while the other wasn't. Put these two cakes on the same desk, the one without shined by the UV flashlight go moldy with green paint on after a week, while the other go moldy after three weeks. It is clear that the ultraviolet radiation of the UV flashlight is good for food preservation. It is convenient to shine with the ultraviolet ray of the UV flashlight in the last food production line. We all know the fruit, vegetable and egg are hard to store for a [...]

By |February 17, 2016|Categories: Knowledge Center|0 Comments

19 travelers got lost in Haituo Mountain and were rescued yesterday

A group of travelers climbed the Haituo mountain during the Labour Day, the Haituo mountain was located in the junction of the north of Yanqing Zhangshanying town and Chicheng city Hebei province, about 18km away from Yanqing, the main peak's altitude is 2242m, it is the second highest peak in Beijing. The Haituo mountain has three peaks: the big haituo, the small haituo, the three haituo. Late on May 2nd, police of Chicheng City zhangjiakou got a call from Beijing police, they were told 3 travelers and 1 guide were trapped in haituo mountain of Chicheng city, and they lost [...]

By |February 17, 2016|Categories: Knowledge Center|0 Comments

Comparison between the UV flashlight with wavelength of 365nm and other UV Light

The shorter the wavelength of the UV flashlight, the darker the light would be. For example, UV wavelength of 395nm is brighter than 365nm. Below are the pictures taken by the two flashlights, the difference between 395nm and 365nm torch light can easily be seen. Picture above is the UV 365nm flashlight shining to the ¥5,which shows golden yellow, reflector of the florescence parts is clear, the other parts can hardly see the UV. These are the application picture of wavelength of 395nm, florescence can easily be seen, but it can’t show the reflector at the small parts of the [...]

By |February 17, 2016|Categories: Knowledge Center|0 Comments

Introduction to tactical flashlight and the difference between ordinary Flashlight

Tactical flashlight with ordinary flashlight no essential difference between on the principle and structure, but the tactical flashlight to adapt in various harsh environment under the conditions of use requirement, therefore its performance compared with ordinary flashlight in various environmental factors and conditions should be much higher. Tactical flashlight is mainly composed of military and law enforcement, its role includes: against Because of the tactical flashlight illumination and color temperature is very high, to illuminate the eyes have a strong visual effects.Fight in the dark, will direct light each other's eyes, for convenient not recognize our exact location; search Tactical [...]

By |February 17, 2016|Categories: Knowledge Center|0 Comments

Use A Flashlight To Identify Jade Quality

Identification of?jade?we will?assist?all kinds of instruments to?measure,?but?in addition to?these scientific?instrument identification,?which?we use in our daily life?can also be?used for the identification?of jade.?Use a flashlight?to different light,?different angles?and?ways of irradiation?can identify?true and false?jadequality,?here to introduce?to you. First,?the surface?will be?flashlight?near?jade,?observe the?internal?texture?andmuddy?thickness,?if?the surface?bright flashlight?irradiation?Hetian?jade,?then there will be?light,?and the light beam?is very clear?focus.?But if the?irradiation?ismarble or?glass and quartz?rocks,?light?is?a?hybrid,?scattering.?In addition,?the flashlight?around the?jade?translation,?can?through the?uniformity of?the?light transmittance?of?jade?is uniform. Secondly,?use the?flashlight?can clearly?observe the?density?and particle size?of jade?is exquisite,?the?flashlight?alignment?side of?jade?no?leather?were irradiated,?if between?jade?a few centimeters?is a?45?angle?irradiation,?so?you can continue to?move?to?observe the flatulent structure?jade carving,exquisite degree?judging?jade . Finally,?the usual?method is to use a?flashlight?to see?jade?internal impurities and tuft split?case.?The?flashlight?alignment?jade,?see its?whether?impurities,black spots?and?lock in?the?situation,?according to the [...]

By |February 17, 2016|Categories: Knowledge Center|0 Comments

Choose Flashlight According to Different Outdoor Activities

Outdoor sports classes, we can choose flashlight characteristics are not the same, generally can be the following: 1. walking on foot: do not need the brightness is too high, because of the long time, as far as possible to choose light flashlight, also have longer life time. In general, the need to take into account the spotlight with light moderate. But the team still need a flashlight higher brightness, and have a certain range, more convenient in exploring terrain. ? 2.Camping: Pan light must be better, the brightness demand is low, but the need to choose the long life time [...]

By |February 17, 2016|Categories: Knowledge Center|0 Comments
Go to Top
一区二区三区免费公开| 欧美午夜视频免费观看| 精品少妇人妻一区二区三区 | 久久re6热在线视频| 精品欧美日韩一二三区| 日韩中文字幕狠狠人妻| 国产一级特黄在线观看| 国产乱人伦精品一区二区三区四区 | 91久久国产福利自产拍| 欧美黑人在线精品极品| 熟女体下毛荫荫黑森林自拍| 人妻内射在线二区一区| 国产精品一区二区成人在线| 国产一区二区三区草莓av| 欧美国产日韩变态另类在线看| 99久久精品视频一区二区| 欧美成人黄色一区二区三区| 好吊妞视频只有这里有精品| 偷拍美女洗澡免费视频| 免费观看潮喷到高潮大叫 | 久久热麻豆国产精品视频| 亚洲视频一区自拍偷拍另类| 久久精品久久久精品久久| 日本av一区二区不卡| 成年人免费看国产视频| 日韩综合国产欧美一区| 日本精品中文字幕人妻| 日韩欧美国产高清在线| 99久久国产精品亚洲| 成人国产激情福利久久| 国产精品刮毛视频不卡| 最近日韩在线免费黄片| 亚洲一区二区久久观看| 尤物久久91欧美人禽亚洲| 午夜成年人黄片免费观看| 午夜国产精品国自产拍av| 国产一区二区不卡在线视频| 九九热精彩视频在线播放| 91天堂素人精品系列全集| 老司机亚洲精品一区二区| 天堂av一区一区一区|