Qingdao Tsin Steel Structure Construction Technology Co.,Ltd.

We have three production lines for Welded H beam assembly, including flaming cutting machines, assembly machines, submerged arc welding machines, straightening machines, as well as sand blasting machine. One shearing machine for cutting connection plates, one advanced CNC drilling machine for drilling holes.

Flame cutting process

Assembly process

Submerged arc welding process

Straightening

Sand blasting

Shearing machine

CNC drilling machine

• Through years of accumulation and deploitation, we have formed a complete set of building system solution. TSIN's exceptionally talented engineering staff have earned a solid reputation. They are all qualified engineers, with structural expertise and extensive design experience.
• Our design engineers, skilled with advanced CAD and TEKLA software, will provide you with most dependable and economical building structure.
• Design considerations may include such factors as seismic, wind and soil bearing loads in relation to supporting structures and foundations.
• In other applications: corrosion allowances, specific gravity, slosh effect and equipment loads may need to be addressed.
• Whatever your concerns, we will analyze and design to your specific requirements and environments.

We believe technology makes a difference. By utilizing 3D detailing, Material Requirement Planning Software and CNC processing equipment, we are able to produce accurate drawings quickly, purchase material efficiently and process your job precisely.

A combination of in-house, domestic and foreign resources, techniques and technologies are utilised to meet our clients' design requirements. With our experienced and well equipped estimating and project design team we ensure that anything is possible.

Through more than 20 years of continual improvement, we have formed a complete set of building system solution. Our design engineers are skilled with advanced CAD and Tekla software, will provide you with most dependable and economical building structure. By Tekla structures detailing, material planning software and efficient processing equipment, we are able to produce accurate drawings quickly, purchase material efficiently and process your project precisely.

Our experienced project managers develop oversea markets and take charge in the entire progress of one project, including pre-sales technical communication, commercial terms confirmation, as well as implementation and tracking after contract signed. Coordinate and deal with the possible problem during the stage of material procurement, production, packaging, delivery. Timely feedback and deal with the technical consultation during construction to ensure the project implement smoothly.

We are committed to establish long term business relationships with all domestic and oversea customers.

• Portal frame steel warehouse and workshop
• Multi- storey steel structure building
• Poultry house / Cow shed / Horse shed
• Customizable shaped steel members

• Preliminary layout design
• 3D Modeling in Tekla and detailing design
• High quality structural steel fabrication
• Supply customized door and windows, as well as other building materials
• Safe and timely delivery
• Complete construction drawing to help installation on site
• Experienced construction engineer is available on site to provide installation assistance.

• Steel material dimension re-check before cutting
• Yield point and tensile strength test
• Supply traceable mill certificate
• Third party inspection are welcomed

• Apply 100% dimension tolerance inspect
• Apply ultrasonic testing on welding line as per standard and procedure
• Third party inspection are welcomed

• Apply shot blasting after fabrication to reach grade Sa 2.5 , surface metal luster, no rust, no oil dirt, no welding spatter, Roughness >75μm
• Apply anti-corrosion primer paint within 4 hours after shot blasting, Dry Film Thickness (DFT) >75μm or as per requirement

• Provide alternative Chinese standard material to replace the foreign standard material, for the purpose of easy availability and procurement of the steel materials
• Modify and optimize shop drawings to save fabrication period and budget
• Provide favorable quotation for free
• Provide technology consultance

• All comopnents and materials are marked and well packed before loading.
• Tie up all the members in case the damage during the sea transportation.
• Customized loading pallet is available to help you easily pick-out.
• Provide detailed packing list showing container numbers and all memebers in containers to help you check up the materials