久久婷婷五月综合97色_香蕉网色_狠狠操狠狠舔_18禁超污无遮挡无码免费网站国产_成人高清视频在线观看_a级片日本

ABOUT US

SINCE 1952

Longkou Newstar Tools Co., Ltd., establish in 1952, has devoted to designing and manufacturing hand tools for more than 60 years. As a leading and professional company in hand tools,it has developed and expand very rapidly since the reform of joint-stock system in 1994. Consisted of enterprise products,steel balls of bearing, Longkou Newstar Tools Co., Ltd is a group that now mainly manufacture cross rim wrench, L-Type wrench, pipe wrench, combination spanner, adjustable wrench, steel ball, aluminum products and plastic products etc. It has passed ISO9000 certification in 2002, and then ISO14000 Environmental Management System Certification and ISO18000 Healthy System Certification in 2008. 

Longkou Newstar Tools

PRODUCTS

Cross Rim Wrench Fully Polished Anodized Colour

Cross Rim Wrench Fully Polished Anodized Colour

Cross Rim Wrench zinc plated

Cross Rim Wrench zinc plated

Cross Rim Wrench Fully Polished Knurling Handle

Cross Rim Wrench Fully Polished Knurling Handle

Cross Rim Wrench With Plastic Pad

Cross Rim Wrench With Plastic Pad

Cross Rim Wrench With Iron Pad

Cross Rim Wrench With Iron Pad

Cross Rim Wrench Chrome Plated

Cross Rim Wrench Chrome Plated

Cross Rim Wrench Fully Polished

Cross Rim Wrench Fully Polished

Prev
Next
Longkou Newstar Tools

ADVANTAGE

Longkou Newstar Tools

Experience

Founded in 1952 and has been committed to the design, development and production of hand tools for more than 60 years

Longkou Newstar Tools

Technological innovation

Obtained a number of national patents. In 2008, the enterprise technology center was assessed as "Yantai Municipal Enterprise Technology Center"

Longkou Newstar Tools

Quality certification

Passed ISO9000 certification, ISO14000 environmental management system certification, ISO18000 health system certification

Longkou Newstar Tools

Customer service

Provide customers with high-quality products and services, hope to establish an long-term trade cooperation relationship with our customers

NEWS

The new official website of Longkou Newstar Tools Co., Ltd. is online, welcome customers and friends to visit!

The new official website of Longkou Newstar Tools Co., Ltd. is online, welcome customers and friends to visit!

Longkou Newstar Tools Co., Ltd，establish in 1952,lies in the Hi-Tec new development zone of Longkou city in Shandong Province .It is endowed with convenient transportation ,which is near to Freeway 264 and Highway Wuwei ,only 200 kilometers away from Qingdao port in the south ,and 100 kilometers from Yantai airport in the east. Longkou Newstar Tools Co.Ltd has devoted to designing and manufacturing hand tools for more than 60years.As a leading and professional company in hand tools,it has developed and expand very rapidly since the reform of joint-stock system in 1994.Consisted of enterprise products,steel balls of bearing, Longkou Newstar Tools Co.Ltd is a group that now mainly manufacture cross rim wrench,L-Type wrench,pipe wrench,combination spanner,adjustable wrench,steel ball,aluminum products and plastic products etc.It has passed ISO9000 certification in 2002,and then ISO14000 Environmental Management System Certification and ISO18000 Healthy System Certification in 2008.The cross rim wrench and L-Type wrench produced by our company were rated as “ Top Ten Brand” among Chinese wrenches in 2005. The registered trademark “NEWSAINT”(新圣) was rated as “FAMOUS BRAND” in Shandong, With independent import & export right from 1994, Longkou Newstar Tools Co.Ltd has sold its products well in more than 100 countries and regions of Europe ,America ,South-East,Asia ,Middle-East etc.. enjoying a very good reputation in international market .At present,we have supplied automobile hand tools for many world-renowned automobile manyfacturers including Mercedes-Benz & BMW and so on . Longkou Newstar Tools Co.Ltd welcomes customers and friends both at home and abroad here for the business cooperation on the basis of equality and mutual benefit.Let’s work together to promote the economic prosperity of the word.
Time of issue: : 2020-04-28 Number of views : 0
Teach you how to use a wrench

Teach you how to use a wrench

Guide: Wrench is one of the common hardware tools in our family. According to its power, wrenches can be divided into electric wrenches and manual wrenches. At present, manual wrenches are still used more frequently in our family, although they are tools that can be seen everywhere in our lives. , But its classification and use may not be understood by most people. First of all, I’m talking about one of the most common and primitive open-end wrenches; open-end wrenches are also called dead-end wrenches. They are divided into single-head and double-headed. The size of the opening can be adjusted according to different nut sizes, and some According to the existing standard size, a set that cannot be adjusted is made, including square, hexagon, and dodecagonal. Among them, the dodecagonal wrench is also called the plum blossom wrench. It is most frequently used by the public. Its advantage is that it can Used in a small space, the rotation range is small, and the application range is wide. It is particularly convenient to disassemble and assemble the hexagonal nuts or bolts in the slightly recessed area. Another common type of wrench is a socket wrench, which is composed of a set of plum tubes of different sizes, in which a bow-shaped handle is used for continuous rotation, which can greatly improve work efficiency and save energy. This set of wrenches is also suitable for working in small spaces. This is the ratchet wrench. Its rotation angle is small, so it is suitable for tightening or unscrewing screws and nuts. There is also a kind of disassembly and assembly commonly used in electromechanics, which is an Allen wrench. This kind of wrench has a long elastic rod, one end of which is equipped with a handle, and the other end is equipped with a square or hexagonal head. A replaceable sleeve is fitted on the square or hexagonal head to be clamped. There is also a long pointer on the top. The scale plate is fixed on the handle base, and the scale value per division is 1 Newton (or kg/m). So when a certain value of tightening force is required in the operation, or several nuts (or screws) need the same tightening force, use the help of this wrench. Colleagues are also used for the disassembly and assembly of large nuts, for example, common electricians use it to load and unload steel structures such as iron towers. There are many other common wrenches, such as adjustable wrenches, also called adjustable wrenches, which are tools for tightening or loosening angled screws or nuts. When using, hold the handle with your right hand. The farther back the hand is, the more effortless it is to pull. When pulling a small nut, because you need to constantly rotate the worm wheel to adjust the size of the wrench, you should hold your hand close to the lip of the idler, and use your thumb to adjust the worm gear to fit the size of the nut. There are too many types of wrenches, so the examples are not explained one by one. It is best to consider the scope of application when choosing a wrench, so that you can more appropriately choose the right type and model, which will not only save you effort, but also improve work efficiency. . At the end, I would like to remind you that people often use wrenches as hammers in life. This will cause great damage to the tools. Improper operation will also make the wrench version. Therefore, it is recommended to choose the right tool according to different tasks. work method.
Time of issue: : 2016-09-03 Number of views : 0

Longkou Newstar Tools Co., Ltd. 

Longkou Newstar Tools

No.3, Xinda Road, High-tech Industrial Park, Longkou City, Shandong Province

Products Categories

Longkou Newstar Tools

Longkou Newstar Tools

?2024 Longkou Newstar Tools Co., Ltd.   ICP: 05011957-1  Powered by: www.300.cn  Manager

主站蜘蛛池模板： 亚洲=av禁18成人毛片一级在线|九九在线视频免费观看|饥渴少妇高潮正在播放|欧美成人精品高清视频在线观看|伊人久久大香线蕉综合色狠狠|黄色片一级的 | 三级国产99久久|#NAME?|亚洲第7页|贪婪欲望之岛在线|97爱亚洲|国产精品偷乱一区二区三区 | 狠狠噜天天噜日日噜无码|欧美=a=av|日批视频在线看|少妇videos|免费ā片在线观看|国产成人美女=aV | 亚洲日韩无砖专区一中文字目|精品在线观看视频|欧美内射深喉中文字幕|美女高潮潮喷出白浆视频|95国产精品人妻无码久|欧洲久久 | 国产草草影院|欧美性生交大片免费看|67194熟妇在线观看永远免费|偷偷碰偷偷鲁免费视频|欧美性生交xxxx乱大交3|激情麻豆视频 | 国产一区二区三区久久悠悠色=av|成人免费视频看看|久久国产精品-国产精品|男人J进女人J啪啪无遮挡|成人片黄网站=a毛片免费|久久精品91视频 | 1000部禁又爽又黄的禁片免费|一区二区三区在线免费视频|国产精国产精品|中文字幕人妻系列人妻有码|在线日韩免费|男女wwww | 免费一区二区|在线看你懂得|国产高清在线喷奶水|国产精品国产精品国产专区不片|亚洲精品久久无码=av片动漫网站|亚洲精品9999久久久久 | 日本一区二区三区四区视频|亚洲一区黄色|久久综合狠狠综合久久狠狠色综合|法国性xxxxx极品|久久无码=aV中文出轨人妻|无码少妇一区二区三区=av | 久久麻传媒亚洲=av国产|久久久久国产精品麻豆|啪啪伊人网|亚洲精品久中文字幕花红影视|欧美丰满熟妇xxxxx|www.国产一区 | 欧美性高清bbbbbbxxxxx|一级毛片免费观看|亚洲国产日韩=a在线欧观看美|日韩欧美特一级大黄作=a毛片免费|影音先锋无码=aⅴ男人资源站|欧美粗大猛烈老熟妇 | 一区二区三区视频免费看|久久爱伊人|日本大尺度吃奶做爰久久久绯色|日韩精品视频免费在线观看|亚洲系列一区中文字幕|天堂视频一区二区 | 人人射影院|日韩免费一区二区三区高清|欧美狠狠|91精品蜜臀在线一区尤物|国产日本韩国在线|无码人妻精品一区二区三区99仓本 | 免费人妻无码=aV老色鬼|99爱影视|2018天天躁夜夜躁狠狠躁|#NAME?|91精品免费在线视频|国产免费二区 | 小柔在教室轮流澡到高潮视频|大乳boobs巨大吃奶乳水|蜜桃=av鲁一鲁一鲁一鲁|亚洲少妇综合网|国产亚洲精品码|免费看国产精品视频 | #NAME?|欧美暖暖视频|91国内在线|毛多水多www偷窥小便|人妻无码人妻有码中文字幕|少妇人妻精品一区二区三区 | 精品日本一区二区三区在线观看|日日操夜夜摸|国产成人无码网站m3u8|欧美性猛交xx|亚洲自拍偷拍一区二区|国产免费无码成人=a片在线观看 | 欧美18一19sex性护士浴室|久久99精品久久久久久HB亚瑟|亚洲成在人线免费|超碰五月|久久精品无码一区二区三区不卡|男女拍拍拍拍免费视频 | 羞羞涩涩网站|亚洲高清免费看|色爱天堂|国产一级无码片在线观看免费|91=av视频观看|推川悠里在线观看=av影片 | 国产精品婷婷色综合www在线|丰满风流护士长BD=a片|国产精品福利片|农村人伦偷精品视频=a人人澡|久热免费在线视频|18禁美女黄网站色大片免费网站 | 国产成=a人亚洲精v品在线观看|色之久久综合|情欲综合网|久草免费在线色站|在线高清视频|国产快猫视频在线看免费 | 在线看无码的免费网站|一本久道久久综合婷婷鲸鱼|九九爱在线视频观看免费视频|少妇久久久久久久久久|91视频免费网址|青青草自拍偷拍 | 伊人伊成久久人综合网|99久久精品无免国产免费|亚洲精选免费视频|自拍偷拍综合|欧美人禽交zozozo视频|久久久久女人精品毛片九一韩国 | 国产清纯女高中生被c|精品久久久久中文字国产|国产一级内谢|91精品综合|制服丝袜长腿无码专区第一页|亚洲欧洲一区二区 | 惊弦45集免费看|亚洲精品九一|教师学生毛片一区二区三区|男人女人真曰批的视频|牛牛精品专区在线|国产一区二三区 | 国产成人=a=a在线视频|欧美三级不卡在线观线看|误杀2免费观看|freesex欧美喷水|日本国产在线|成人一二区 | CHINESE熟女熟妇1乱|亚洲一区二区三区乱码=aⅴ蜜桃女|最新国产福利一区二区免费视频|爱豆传媒国产剧情|国産精品久久久久久久|超碰超碰在线 | 男女做=aj视频免费的网站|国产在线观看=av|亚洲国产精品嫩草影院|欧美久久激情|国产网站色|岛国视频在线免费观看 | 国产乱妇乱子在线播视频播放网站|国产免费人成在线视频|精品欧洲=av无码一区二区14|精品少妇一区二区三区在线观看|播放一区二区|国产精品久久久久久久久无码日本蜜乳 | 粉嫩少妇内射浓精VIDEOS|免费nb=a在线观看|素人啪啪|俺也去久久|亚洲=av=av天堂=av在线网毛片|国产蜜月一区二区三区在线看 | 中国黄色影院|99精品一区二区三区|久久成人久久|疯狂做受XXXX高潮吃奶|欧洲精品二区|激情超碰在线 | 亚洲精品毛片一区二区|在线理论片|精品久久久无码中文字幕边打电话|久久久久久久|亚洲中文字幕无码第一区|亚洲欧美偷自乱图片 | 巨大黑人极品video|天堂bt种子资源在线www|视频亚洲一区二区|日本高清中文字幕二区在线|国产精品久久久久久久=av三级|在线日产精品一区 | 天堂在线.www天堂在线资源|日日日综合网|#NAME?|国产午夜影视大全免费观看|黄色91网站|91重囗 | 女明星一级毛片|国产精品成人v=a|久久天天躁狠狠躁夜夜躁2012|久热这里只有精|国产黄大片在线观看|国产成人在线播放视频 | 中文字幕在线观看视频www|在线视频网站WWW色|91啦国产|国产社区精品视频|91毛片免费观看|国产一区二区黑人欧美xxxx | www.亚洲天堂|精品久久精品|久久国产精品一区二区三区|欧美猛少妇色XXXXX猛交|亚洲国产精品成人综合久久久|四虎免费精品 | 91在线官网|亚洲日韩乱码中文无码蜜桃|仙武帝尊700集在线观看|99热精品首页|99九九精品视频|日韩超碰 | 黄色网址免费在线观看|蜜臀=av夜夜澡人人爽人人桃色|极品少妇XXXXⅩ另类|国产成人一区二区无码不卡在线|亚洲无线视频|九九久久精品国产=aV片国产 | 国产精品久久网站|欧美老熟妇=a=a=a=a=a=a|亚洲啊v在线|精品久久久免费|亚洲=aV无码专区在线观看成人|免费观看又色又爽又黄的崩锅 | 国产V精品无码好舒服欧美精品|一本之道亚洲|亚在线观看免费视频入口|成人学院中文字幕|国产精品成人观看视频网站|欧洲成在人线视频免费 |