av女优电影无码在线观看,一边添奶一边添p好爽视频,国产丰满老熟女岁重口对白

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(yè)官網(wǎng)上線通知

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

  • 2020-04-03雙扭簧在理發(fā)器中的應(yīng)用與其優(yōu)點(diǎn)
  • 2020-04-03彈簧行業(yè)在各大領(lǐng)域中的發(fā)展趨勢(shì)與主要成型方
  • 2020-04-03國內(nèi)外彈簧行業(yè)差距如此大的原因
  • 2020-04-03國內(nèi)五金行業(yè)的五大變化
  • 2020-04-03上精工五金制品（深圳）有限公司企業(yè)官網(wǎng)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(huì)出現(xiàn)“彈性不足“ （1）非標(biāo)準(zhǔn)彈簧的設(shè)計(jì)制造參數(shù)不合理：只注意外徑、內(nèi)徑、長(zhǎng)度等參數(shù)，往往忽略盤條截面積、節(jié)距的

  • 2020-04-03離合器彈簧應(yīng)該如何保養(yǎng)
  • 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(jīng)常會(huì)出現(xiàn)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(guān)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
久久久日韩精品无码一区二区 国产欧美日韩精品第一页 国产呦一区二区在线观看 强奸乱轮亚洲色图 免费av一区二区三区 av电影在线观看网站
高阳县 梅河口市 堆龙德庆县 剑河县 绥德县 额济纳旗
澜沧 娄烦县 东兴市 台州市 浏阳市 三门峡市
南靖县 通河县 潼关县 晋城 祁阳县 辛集市