Prefab Steel Structure Prefabricated Bridge/cheap Steel Prefabricated Bridge

Introduction to ISO 9001:2000 Certification

ISO 9001:2000 is a quality management system standard developed by the International Organization for Standardization (ISO) to help organizations establish, implement and maintain an effective quality management system to ensure that products and services meet customer needs and expectations. The standard was released in December 2000 and is a revision of the 1994 version of the standard.

Main content of ISO 9001:2000 standard
The ISO 9001:2000 standard specifies the requirements for a quality management system and is applicable to organizations of all types, sizes and products. It emphasizes improving customer satisfaction through an effective quality management system and meeting customer and applicable regulatory requirements through continuous improvement.

Certification process
The ISO 9001:2000 certification process usually includes the following stages:

1. **Application preparation**: The enterprise needs to fill in the application form and prepare all necessary documents and information for submission to the certification body.
2. **On-site audit**: The certification body will send auditors to the enterprise site to check whether the enterprise's operating procedures, management system documents, etc. meet the requirements of the ISO 9001 standard.
3. **Problem rectification**: If problems are found during the audit, the enterprise needs to analyze the causes and take corresponding corrective measures.
4. **Issuance of certificate**: After a series of audits and problem rectification, if the enterprise meets the standard requirements, the certification body will approve the issuance of the certificate.
5. **Annual supervision**: After obtaining the certificate, the enterprise must accept the supervision and audit of the certification body every year to ensure that it continues to meet the standard requirements.

The significance of certification
Through ISO 9001:2000 certification, enterprises can:
- Improve internal management and improve product quality and stability.
- Enhance the trust of consumers and the market and improve product competitiveness.
- Provide support for the development of an export-oriented economy and expand market share, and it is a "passport" to enter the international market.

Continuity of certification
The ISO 9001:2000 certification is valid for three years, and the enterprise needs to reapply for certification before the certificate expires. It is also necessary to accept annual supervision and audit by the certification body to ensure the effective operation of the quality management system.

Summary
ISO 9001:2000 certification provides enterprises with a scientific quality management and quality assurance method, which helps enterprises improve their internal management level, enhance market competitiveness, and lay the foundation for international development.

Specifications:

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CB200 Truss Press Limited Table
NO.	Internal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	QS	SSR	DSR	TSR	QSR
200	Standard Truss Moment(kN.m)	1034.3	2027.2	2978.8	3930.3	2165.4	4244.2	6236.4	8228.6
200	Standard Truss Shear (kN)	222.1	435.3	639.6	843.9	222.1	435.3	639.6	843.9
201	High Bending Truss Moment(kN.m)	1593.2	3122.8	4585.5	6054.3	3335.8	6538.2	9607.1	12676.1
202	High Bending Truss Shear(kN)	348	696	1044	1392	348	696	1044	1392
203	Shear Force of Super High Shear Truss(kN)	509.8	999.2	1468.2	1937.2	509.8	999.2	1468.2	1937.2

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CB200 Table of Geometric Characteristics of Truss Bridge(Half Bridge)
Structure	Geometric Characteristics
	Geometric Characteristics	Chord Area(cm2)	Section Properties(cm3)	Moment of Inertia(cm4)
ss	SS	25.48	5437	580174
	SSR	50.96	10875	1160348
DS	DS	50.96	10875	1160348
	DSR1	76.44	16312	1740522
	DSR2	101.92	21750	2320696
TS	TS	76.44	16312	1740522
	TSR2	127.4	27185	2900870
	TSR3	152.88	32625	3481044
QS	QS	101.92	21750	2320696
	QSR3	178.36	38059	4061218
	QSR4	203.84	43500	4641392

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CB321(100) Truss Press Limited Table
No.	Lnternal Force	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Standard Truss Moment(kN.m)	788.2	1576.4	2246.4	3265.4	1687.5	3375	4809.4	6750
321(100)	Standard Truss Shear (kN)	245.2	490.5	698.9	490.5	245.2	490.5	698.9	490.5
321 (100) Table of geometric characteristics of truss bridge(Half bridge)
Type No.	Geometric Characteristics	Structure Form
		Not Reinforced Model				Reinforced Model
		SS	DS	TS	DDR	SSR	DSR	TSR	DDR
321(100)	Section properties(cm3)	3578.5	7157.1	10735.6	14817.9	7699.1	15398.3	23097.4	30641.7
321(100)	Moment of inertia(cm4)	250497.2	500994.4	751491.6	2148588.8	577434.4	1154868.8	1732303.2	4596255.2

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Advantage

Possessing the features of simple structure,
convenient transport, speedy erection
easy disassembling,
heavy loading capacity,
great stability and long fatigue life
being capable of an alternative span, loading capacity