Projects

connecting the world

In every corner of the world, you will find architectural marvels & masterpieces that empower the daily activities of our lives, such as housing our families, connecting places and enabling us to commute on roads and highways.

There is a likely chance that one of these masterpieces have been built with SIW’s products woven with a DNA of “Masters of Quality”.

Products

  • PC Strand


    Low Relaxation Pre-Stressed Concrete Uncoated 7-Wire Strand.

  • PC Wire


    Pre-stressed Concrete Single Wire.

  • Wire Mesh


    Welded Wire Fabric.

  • Cold Drawn Wire


    Low Carbon Steel Wire for Concrete Reinforcement.

  • Spring Wire


    Spring Wire

Siw'sMilestones

1994
1994
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd)
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd) and founded as a subsidy (100% owned) of Siam Cement Group (SCG) *SIW has produced PC Strand/Wire since 1971 while we were just 1 unit of SISCO.
1996
1996
All facilities in SISCO, Saraburi were Transferred to Rayong
All facilities in SISCO, Saraburi were Transferred to Rayong and Rayong factory began operation.
2002
2002
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW as a subsidiary of Natsteel asia was 100% owned by Tata Steel Co,.Ltd
2005
2005
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
2012
2012
In 2012, The Siam Industrial Wire Co.,Ltd. Company Expanded the new galvanized wire business.
Entered into 60:40 jv with nichia japan to set up TSN Wires Co., Ltd to Manufacture galvanized.
2016
2016
Open the first overseas marketing office in Jakarta, Indonesia
Open the first overseas marketing office in Jakarta, Indonesia
2017
2017
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
2018
2018
New R&D Center Building
New R&D Center Building
2537
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd)
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd)
2539
All facilities in SISCO, Saraburi were Transferred to Rayong
All facilities in SISCO, Saraburi were Transferred to Rayong
2545
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW
2548
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
2555
In 2012, The Siam Industrial Wire Co.,Ltd. Company Expanded the new galvanized wire business.
In 2012, The Siam Industrial Wire Co.,Ltd. Company Expanded the new galvanized wire business.
2559
Open the first overseas marketing office in Jakarta, Indonesia
Open the first overseas marketing office in Jakarta, Indonesia
2560
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
2561
New R&D Center Building
New R&D Center Building

Sustainability

CORPORATE SOCIAL RESPONSIBILITY

Sustainability

CORPORATE SOCIAL RESPONSIBILITY

Whether it’s with the environment or with our communities, we put a very strong emphasis in building lasting relationships. From early on, SIW had recognized the importance of sustainability in everything we touch. At the communities we work in.

The Siam Industrial Wire invests to improve and sustain the livelihood of locals through community and social development initiatives.

"Care for Disabled and Elderly People” Project

12-05-2022

We have taken care of the elderly, bedridden, and disabled people who are unable to help themselves and whose quality of life is affected during the Covid-19 outbreak crisis. In this project, we have taken care of the people in 11 villages in Nong Lalok Subdistrict, Ban Khai District, Rayong Province. We will still continue promoting the social and community responsibilities and being together sustainably in the future.

“SIW We Care” Project

12-05-2022

As we have put our priority on doing activities to reduce the impact on the lives of those in our business partners infected with and affected by COVID-19, we have provided them our care under the “SIW We Care” project. We have visited the areas to encourage and deliver consumer products and other items necessary for living in order to alleviate suffering for the community and groups under the supervision of the affected business partners. We are delighted to strengthen our relationship with the community and be ready to work with our business partners in every group of companies in order to get through this Covid-19 crisis together.

“70 Scholarships for 7 Schools” Project

18-05-2022

In 2021, seventy scholarships have been given to promote the continuing education of students in schools in Nong Lalok Subdistrict and nearby sub-districts, such as Ban Nong Lalok School, Wat Lahan Rai School, Wat Don Chan School, Wat Krachet School, Wat Nong Kabok School, Ban Map Tong School, and Wat Koh School (Krim Kamphon). This project is aimed at easing the burden of parents during the Covid-19 outbreak situation and providing youth equal educational opportunities.

“SIW English Camp” Project

18-05-2022

We have operated the SIW English Camp project for sixth-grade students in 5 schools in Nong Lalok Subdistrict, Ban Khai District, Rayong Province, including Wat Don Chan School, Wat Nong Kabok School, Wat Lahan Rai School, Wat Ban Nong Lalok School, and Ban Map Tong School, in order to encourage children to acquire English knowledge and skills. In addition, this project is aimed at encouraging children to have the courage to speak and express themselves for communication and building their familiarity with the use of English in daily life at the Nong Lalok Subdistrict Administrative Organization.

“Forest for Life for Our Beloved King” Project

18-05-2022

We have planted mangrove forest, built crab habitats, and collected trash carried from the sea to the coast to conserve and restore mangrove forest, which is important in creating balance for the ecosystem, including making it a natural learning center, at the Mangrove Forest Conservation Learning Center, Khlong Tamru Subdistrict, Mueang District, Chonburi Province.

“Green Community Market” Project

18-05-2022

We have implemented the Green Community Market project to help farmers in the community in Nong Lalok Subdistrict. It is aimed at easing their expenses by bringing community fruits and products for sale in our factory to our and contractor employees as well as building a good relationship in the coexistence between the community and the factory.

“Help for Hero” Project

18-05-2022

This project is aimed at helping medical personnel to cope with and prevent the COVID-19 outbreak, including infected patients who are most risky to be affected. We have provided hospitals in Rayong meal boxes, personal protective equipment, and necessities to support the work of medical personnel and help infected patients.

“Kindness from SIW” Project

18-05-2022

We have created smiles and given encouragement and meal boxes to villagers affected by the COVID-19 outbreak in ​​Nong Lalok Subdistrict, Ban Khai District, Rayong Province, along with community leaders, village public health volunteers, and other volunteer groups in Nong Lalok Sub-district. At this event, we have put our priority on strict measures to prevent the COVID-19 outbreak.

CustomerVoice

Thank you The Siam Industrial Wire Co. Ltd. for producing quality materials and good service.

SIW have been a long term partner of Freyssinet and always provides a professional service and a quality product we can rely upon. In our industry it is vital supply chain runs as plan. I have faith in the production schedule provided and know that Siam will work for me when I need a bit sharper pricing to make our jobs profitable. Thanks again for your support for the past and beyond 2022!

SIW product quality has earned a good reputation in Taiwan infrastructure constructions for over 20 years. Having worked with your team over the past years, we admired the quality of work and attentions to detail you’ve brought. However, with greater success comes greater obstacle and challenge. May your business flourish, be prepared for every kind of situation in your path and create a win-win situation with all of your partners!

We have been partners with SIW for more than 20 years already, and having to supply numerous materials in the golden era of infrastructure in the Philippines was integral part to solidify your branding and showcase your product quality amongst the biggest contractor in the Philippines. Despite of being a price sensitive country we were still able to penetrate this niche market because SIW premium quality and efficient delivery which we have an edge againts other countries. In any business great relationship comes hand in hand with success hence we hope to have a long lasting relationship with SIW in the years to come.

สินค้ามีคุณภาพดี เจอปัญหาน้อยมาก รวมไปถึงการบริการจากพนักงาน ที่มีการอัพเดทข่าวสาร ดูแลโดยตลอด ทำให้สามารถปรับตัวได้ทันทุกสถานการณ์

สินค้าสปริงของสยามลวด เราร่วมมือกันพัฒนาสินค้าตั้งแต่แรกเริ่ม จนตอนนี้สินค้ามีคุณภาพ มีความเชื่อมั่นในการใช้สินค้า

สินค้าคุณภาพดี และชอบการบริการของสยามลวดเหล็กฯ ผู้แทนขาย,วิศวกรบริการเทคนิค และพนักงานบริการเทคนิค เอาใจใส่และทำงานรวดเร็ว เข้าพบลูกค้าสม่ำเสมอ

เราต้องการสินค้าที่ดี มีคุณภาพ, ความเชื่อมั่นของ SIW เป็นความเชื่อมั่นที่เรามอบและส่งต่อให้กับลูกค้าอีกทอด

SIW ให้การซัพพอร์ทดี เป็นสินค้าซึ่งได้คุณภาพ ทั้งเรื่องการบริการหรือการขนส่งก็บริการได้ดีมาก

สินค้าและบริการมีคุณภาพมาก การจัดส่งตรงเวลา หากมีปัญหาก็มีชั่งคอยซัพพอร์ทเต็มที่

เรามาซื้อลวด PC Wire จากสยามลวดเหล็กฯ ซึ่งเราพิจารณาแล้วว่าเป็นลวดที่มีคุณภาพ ได้มาตรฐาน และเป็นที่รู้จัก

ผมเชื่อว่าสยามลวดเหล็กฯ เป็นบริษัทที่มีมาตรฐานสูงสุด

Somnuk khunpangkhaew

Project manager, Freyssinet (Thailand) Ltd., Thailand

Daniel Whan

Procurement Manager, Freyssinet co., ltd., Australia

Lisa Wang

President, Kingston Heavy Industrial Co., Ltd., Taiwan

Jose Dyhianto

Importation Manager, P.I. Hardware & Mill Supply, Inc., Philippines

คุุณตุลเชษฐ์ อัศวจินดากุล

General Manager, บจก. เซี๊ยะการช่าง, Thailand

คุณกิ่งแก้ว ปานนาค

General Manager, บจก.จิตลี่, Thailand

คุณประสงค์ สุขสมานวงศ์

ผู้จัดการโรงงาน, บจก.คอนกรีตไลน์, Thailand

คุณวิโรจน์ อติพรวณิช

กรรมการผู้จัดการ, POST & PRECAST CO.,LTD., Thailand

คุณทรงวุฒิ แจ้งประสิทธิ์

กรรมการผู้จัดการ, B.K.K. Piling Co., Ltd., Thailand

คุณธนานนท์ ธรรมวรรณา

กรรมการผู้จัดการ, บริษัท วัฒนารุ่งเรืองการโยธา จำกัด, ประเทศไทย

คุณสรณีย์ ดีพันธุ์พงษ์

กรรมการผู้จัดการ, UNITED CONSTRUCTION MATERIAL CO., LTD., Thailand

คุณประวัติ เกลียวปิยะ

กรรมการผู้จัดการ, PNC REALESTATE CO., LTD.

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