在线免费黄色小电影,日韩AV黄色电影在线观看,女主被各种强h重口慎入

Welcome toShang Jinggong Hardware Products (Shenzhen) Co., Ltd.！
CHINESE| Technical Information | Contact us
Shang Jinggong Hardware Products (Shenzhen) Co., Ltd.

SHANG JINGGONGPRODUCTS

Meet the needs of different production lines

SERVICE CENTER

CLASSIFICATION

  • Snap spring
  • Torsion spring
  • Compression spring
  • penholder
  • Probe
  • Tower spring
  • Tension spring
  • Shock Absorbers
  • Double torsion spring
  • Shaped spring
  • Shaped rod
  • Special torsion spring
  • Constant force spring
  • Shaped tension spring
  • Shaped snap spring
  • Scroll spring
  • Antenna spring
  • Mould spring
  • Dismantling / C type buckle

Scan
Learn more
spring

MORE+PRODUCTS
MORE

WALK INSHANG JINGGONG

Integrity based on innovation and Zhiyuan

HARDWARE STAMPING PARTSShang Jinggong Hardware Products (Shenzhen) Co., Ltd.

The company set up two spring factories. In 1996, Jiaguang Spring Co., Ltd. was established in Taichung Taiping. In 2007, the company expanded to Shenzhen, China to meet market demand and diversified operations.[SEE DETAILS]

CULTURE APPLICATION TECHNOLOGY
WALK INSHANG JINGGONG

SPRING PRODUCTS4BIG ADVANTAGE

Always adhering to the "quality first, honest and trustworthy" corporate purpose

Design R & D team

Professional experience

  • Shang Jinggong Is a collection R & D, production and salesAs a modern manufacturing enterprise。
  • Has a professional technical R & D team。
  • Independent research and development design。
  • The product's humanized design concept is reflected everywhere in product structural design, hardware spring, appearance design and other fields.
ADVISORY

24hsupport hotline

18925261741 / 15814000457

Processing Equipment

High-quality materials

  • There are more than 50 spring machines on Shangjing Tools. The products have passed qualified testing and fatigue resistance testing.
  • High efficiency, fast and high processing precision..
  • Provide customers with quality first products.
ADVISORY

24hsupport hotline

18925261741 / 15814000457

Fully qualified

More reliable quality

  • With more than 20 sales people, deal with your problems efficiently.
  • Rich design talents to design exquisite packaging for you.
  • 24 hours customer service online answering questions.
ADVISORY

24hsupport hotline

18925261741 / 15814000457

Selection guide

Ease of purchase

  • The product has passed professional testing and fatigue resistance testing.
  • High efficiency, fast and high processing accuracy;
ADVISORY

24hsupport hotline

18925261741 / 15814000457

HARDWARE SPRINGPERSEVERANCE OF THE BRAND

To help customers achieve maximum value with consistent excellent quality

  • Product quality assurance

    Product quality assurance

    Possess accurate quality assurance testing and inspection equipment.

  • Guarantee delivery efficiency

    Guarantee delivery efficiency

    Guarantee quality and improve production efficiency

  • Comprehensive after sales

    Comprehensive after sales

    One-to-one intimate service system, customer satisfaction is our driving force for development

NEWS

上精工五金制品（深圳）有限公司企業官網上線通知

尊敬的各位用戶： 您好！首先感謝大家長期以來對上精工五金制品（深圳）有限公司的關心和支持！

  • 2020-04-03雙扭簧在理發器中的應用與其優點
  • 2020-04-03彈簧行業在各大領域中的發展趨勢與主要成型方
  • 2020-04-03國內外彈簧行業差距如此大的原因
  • 2020-04-03國內五金行業的五大變化
  • 2020-04-03上精工五金制品（深圳）有限公司企業官網上線通知

TECHNICAL SUPPORT

不銹鋼彈簧彈力不足及斷裂的原因

一、為什么不銹鋼彈簧會出現“彈性不足“ （1）非標準彈簧的設計制造參數不合理：只注意外徑、內徑、長度等參數，往往忽略盤條截面積、節距的

  • 2020-04-03離合器彈簧應該如何保養
  • 2020-04-03制作彈簧的材料是怎么煉制成的呢？
  • 2020-04-03小彈簧的不銹鋼材料種類都有哪些品種？
  • 2020-04-03汽車彈簧經常會出現哪些表面缺陷
  • 2020-04-03不銹鋼彈簧彈力不足及斷裂的原因

HARDWARE SPRINGVIDEO DISPLAY

The professional after-sales team responds to the consultation in a timely manner to quickly solve the problem.

SHANG JINGGONG HOSTING MANY TOP 500 COMPANIESTRUST AND SUPPORT！

After 13 years of product R & D and manufacturing, it has a complete service system of product analysis, planning, design, mold manufacturing, production assembly, inspection and testing.
We have always adhered to the purpose of providing customers with high-quality, reliable technology, products and services with the goal of customers.

HOME PRODUCTS APPLICATION NEWS TECHNICAL ABOUT US CONTACT US
  • ABOUT US
    • Company Profile
    • company culture
    • Production equipment
    • Company qualification
  • PRODUCTS
    • Snap spring
    • Torsion spring
    • Compression spring
    • penholder
    • Probe
    • Tower spring
    • Tension spring
  • NEWS
    • Corporate News
    • Industry News
  • Shang Jinggong Hardware Products (Shenzhen) Co., Ltd.
    • Miss He：158-1400-0457
    • Mr. Wu：189-2526-1741
    • Address：Building 12, Xinqiao Mountain, Baoan District, Shenzhen
    • Mail box：hexiling@sjgwj.com Miss He
    • Mail box：shangjinggong147@126.COM
關注我們 scan it Consult now
Copyright 2020 ? all rights reserved Shang Jinggong Hardware Products (Shenzhen) Co., Ltd.   Technical Support:SZGOBEST    Guangdong ICP No. 20021737
PHONE
158-1400-0457
189-2526-1741
QUOTE
Customer service
459359022
SCAN IT

Service Hotline
189-2526-1741

TOP
男女性淫欲裸片免费看-娇妻在朋友呻吟绿帽交换-欧美一级9-人妻野外中出HD-日韩欧美丝袜另类-珠宝大盗-双乳压在落地窗前做h视频-在线观看日韩色站-白嫩妹子被爆操 成人久久久久久-舔女人逼视频-免费不卡毛片-打白嫩美女屁股视频-综合一区在线-jiZZjiZZ日本丰满少妇-高h被龙繁衍1v1-青春久草-成人一区三区 三区在线观看-教师娇妻绿帽呻吟-欧美日本久久-老太婆性生活视频-精品免费在线视频-午夜激情综合网-国产女同疯狂系列1-香蕉久久夜色精品升级完成-26uuu成人网 欧美极品一区二区三区-亚洲大奶网-黑丝美女爆操-生活片黄色-亚洲欧洲日韩精品-99久33精品字幕-性丧尸片a级-做爰gay羞羞看片-成人免费毛片动漫 1000部啪啪未满十八勿入下载-国产又粗又大又爽又黄-chinese农村人妻tubesex-中文字幕夫妇交换乱叫-老妇bbw搡bbbb搡bbbb-男人女人和孩子-岳胀耸的雪乳奶水-少妇被又大又粗又爽毛片欧美-日韩精品电影 亚洲欧美日韩国产手机在线-国产精品人妻无码一区二区三区-朋友人妻系列150合集-成人毛片18女人毛片免费看-天堂在/线资源中文在线-久久精品国产一区二区三-国产精品日本一区二区不卡视频-午夜精品白在线观看-欧美视频一区二区
大田县 厦门市 鱼台县 东山县 密山市 罗平县
临潭县 荥经县 东阿县 星子县 澎湖县 牟定县
丰镇市 平阳县 杨浦区 泽普县 射阳县 枞阳县