LESSO(TANZANIA) TECHNOLOGY DEVELOPMENT COMPANY LIMITED

01 Company Profile 03-04

02 Enterprise honor 05-06

03 PP-R Water Pipe and Fittings (Green) 07-10

04 PE Water Pipe and Fittings 11-16

CHINA LESSO GROUP HOLDINGSLIMITED

Established in 1986, LESSO (Stock Code: 02128.HK) is a global leader in home furnishings and building materials. The Group's business porfolio spans plastic piping, building materials and home furnishings, environmental protection, new energy, supply-chain service platforms and others. It offers a wide range of products such as pipes, photovoltaics, plumbing and sanitary ware, integral kitchen materials, integral doors and windows, aluminum formwork and smart scaffolds, water purifiers, water-proofing materials and sealants, fire-fighting equipment, valves, cables, lighting, hygiene materials, items for environmental protection, agricultural facilities, and oceanic aquaculture cages. In 2023, LESSO's sales revenue reached over USD 4.38 billion.

Since implementing a strategy of globalization and expanding its global presence,LESSO has evolved into a sophisticated multinational. It boasts more than 30 advanced production bases worldwide, broadening its industrial and sales networks to cover Asia, North America, South America, Europe, Africa, and Oceania. This enables LESSO to provide quality products and services for global customers in accordance with its continuously improved strategic layout in a timely and efficient way.

LESSO has founded its R&D center with more than 1,0oO scientific researchers, nationally accredited enterprise technology center, and two post-doctoral workstations to support its innovation and technical development. The Group has taken a leading role in the revision of over 120 international and Chinese industry standards. LESSO owns over 3000 patents (some of them are pending), and provides over 10,oo0 varieties of products, making it one of the most comprehensive manufacturers in the piping industry. Its products are utilized globally in different areas, including home decoration, civil construction, municipal water supply, drainage, energy management, power supply and telecommunications, gas supply, fire-fighting, environmental protection, agriculture, oceanic aquaculture, etc.

LESSO(TANZANIA) TECHNOLOGY DEVELOPMENTCOMPANYLIMITED

Lesso (Tanzania) Technology Development Company Limited is a Tanzania-based manufacturer of a wide range of different plastic pipes with high quality, including PVC water pipe,PVC drainage pipe,PVC conduit,PPR water pipe,HDPE water pipe,which are produced according to the national and international standard. In order to achieve good quality, the company is equipped with modern pipe extrusion machines, lab facilities for chemical testing and physical properties testing. The annual production capacity willbeuptoabout30,000tons.

Furthermore, we provides one-stop product supply services by offering the other types of pipes, fitings, plumbing and sanitary ware, photovoltaic, integral kitchen materials, water-proofing materials and sealants, valves and other items produced by LESSO Group itself by business trading.

We will strengthen the innovation and technical development, and make it as one of the most comprehensive manufacturers in the piping industry. Its products are utilied globally in different areas, including home decoration, civil construction, municipal water supply, drainage, energy management, power supply and telecommunication, gas supply, fire-fighting, agriculture etc.

CORPORATE HONOR

For more than 30 years, China Lesso has been operating with great dedication and has won numerous brandhonorsand authoritativecertificatesforitsremarkablestrength.

PARTNERS

With promising market prospects, China Lesso’ s building materials and home furnishings products enjoy a good reputation in the industry for high quality and cost-effective performance. They have also been selected by leading domestic large-scale real estate companies, such as Poly Real Estate, Greenland, China Overseas Land, Seazen Holdings, Yango, Time Property, and Leading Property, etc. These companies have maintained a stable and cooperative relationship with LESsO over years.

MAJOR-COUNTRYPROJECTS

Lesso was designated as the product supplier for the construction of some venues for the 2008 Beijing Olympic Games, the 2010 Guangzhou Asian Games, and the 2010 Shanghai World Expo as well as such major national projects as the Hong Kong-Zhuhai-Macao Bridge, Bejing Daxing International Airport, and Xiong'an New Area.

Beijing Daxing International Airport

Xiong'an New Area Pipe Gallery Construction Project

Hong Kong-Zhuhai-Macao Bridge

Shanghai World Expo Exhibition Hall

Hengqin New Area Utlity Tunnel

2022BeijingWinter Olympics VenuesConstruction

2008 Bejing Olympic GamesVenues

Changan-Gan High-speed Railway

Guangzhou Asian Games Venues

LESSO

PP-R Water Pipe and Fittings (Green)

Product Overview

⊚ Material: Random Polypropylene ⊚ Size: full 16\mathsf{mm} through 160\mathsf{mm} availability ⊚ Pressure Rating: 1.25MPa,1.6MPa, 2.0MPa,2.5MPa ⊚ Standard:GB/T 18742-2,EN ISO 15874-2, BS EN ISO 15874-2,DIN8077, DIN8078, NSF/ANSI/CAN 61, NSF/ANSI N372

⊚ Colors:

* Green, pipe for cold water is marked with blue stripes, pipeforhotwaterismarkedwithred stripes * Other colors are also available upon request

⊚ Form Supplied:

·4metersstraight length (all size) ·50or100meterscoillength (\mathsf{d}_{\mathsf{n}}16~\mathsf{d}_{\mathsf{n}}32) Otherforms are also availableupon request

Advantages

⊚ HighTemperatureResistance:themaximum sustained working temperature is up to 70°\mathsf{C}, the maximum transienttemperatureisupto 95^\circC
⊚ HeatPreservation:low thermal conductivity which is only 1/1500 of brass pipe, and 1/250 of steel pipe.
⊚ Non-toxic: no heavy metal additives, would not be covered with dirt or contaminated by bacterium
⊚ Corrosion Resistance:resist chemical matters andelectronchemicalcorrosion.
@High Flow Capacity: smooth interior walls and lowfriction result in low flowresistance and high volume.
⊚ Excellent Flexibility: can be supplied in coil.
⊚ Low Installation Costs: light weight and ease of installationcanreduceinstallationcosts
⊚ Longevity: more than 50 years under proper use
⊚ Recycled and Environment-friendly

1 Applications

⊚ Cold andhotwatersupply
⊚ Heating system including flooring heating, wall heating and radiantsystem
⊚ Centralairconditioningsystem
⊚ Industrialliquidstransportation

Coil Pipe

S:PipeSeries \mathbf{d}_{\mathfrak{n}}\colon NominalOutsideDiameter PN:Nominal Pressure (unit:MPa) ε_{n^{*}} NominalWall Thickness

Features

⊚ Material:RandomPolypropylene
⊚ Size:full 16\mathsf{mm} through 160\mathsf{mm} availability
⊚ Pressure Rating: 2.5MPa, or other nominal pressures available upon request
⊚ Standard: ISO 15874-3, EN ISO 15874-3, BS EN ISO 15874-3, DIN 16962, GB/T 18742-3
⊚ Colors: Green or other colors available upon request
⊚ Joint: Joining pipe and socket joint fittings by socket fusion joint

Advantages

⊚ High Temperature Resistance: the maximum sustained working temperature is up to 70°\mathsf{C}_{\prime} the maximum transient temperature is up to 95^\circC
⊚ Heat Preservation: low thermal conductivity result in preserving heat
⊚ Non-toxic: no heavy metal additives, would not be covered with dirt or contaminated by bacterium
⊚ Low Installation Costs: light weight and ease of installation can reduce installation costs
⊚ HighFlow Capacity:smooth interior walls result in lowpressure loss and high volume
⊚ Longevity: more than 50 years under proper use

PE Water Pipe and Fittings

Product Overview

⊚ Material:PE80orPE100
{\scriptsize{>}} Pressure Rating: 0.4MPa, 0.6MPa, 0.8MPa, 1.0MPa, 1.25MPa,1.6MPa,2.0MPa
⊚ Size:full _{20\mathsf{mm}} through 1600mm availability
⊚ Standard:ISO 4427-2,EN 12201-2,GB/T 13663-2, Bs6920,AS/NZS 4130,BS EN12201-2

⊚ Colors:

·Blue
·Black with blue stripes
· Other colors are also available upon request

⊚ Form Supplied:

·5.8 meters straight length (all size) ·50 or 100 meters coilength (d,20\~d,63) · Other forms are also available upon request

Advantages

⊚ Non-toxic: no heavy metal additives, would not be covered with dirt or contaminated by bacterium. Sanitary. No Secondary pollution.
⊚ Corrosion Resistance: unaffected by chemical matters and electronchemical matterswhichcausecorrosioninmetals.
⊚ Highflowcapacity: smooth interior walls and low abrasion resistance result low flow resistance and high flow capacity.
⊚ ExcellentFlexibility:can be supplied in coil form,fewer fittingsrequired andlower cost in installation.
{\scriptsize{O}} High impact and breakage resistance.
⊚ ExcellentUVresistance.
⊚ Differential SettlementResistance:lowrequirements for foundation treatment.
⊚ Easy Installation:light weight, easy to transport and handle friendly.
⊚ Long Service Life: PE water pipe can work for more than 50 yearsunder properuse.
⊚ Use trenchless technology.
⊚ Various Joint Availability: socket fusion joint,butt fusion joint, electro fusion joint and transition joint.

Applications

⊚ Municipalwatersupply
⊚ Commercial & Residential water supply
⊚ Industrial liquidstransportation
⊚ Sewage treatment

Physical Properties

LESSO

PVC-U Water Pipe and Fittings

Product Overview

Advantages

⊚ Material: Unplasticized Poly (Vinyl Chloride)

⊚ Pressure Rating:0.63MPa, 0.8MPa,1.0MPa,1.25MPa,1.6MPa, 2.0MPa,2.5MPa. ⊚ Size:full _{20\mathsf{mm}} through 630mm availability. ⊚ Standard:GB/T10002.1(Refering toISO1452),BS6920 ⊚ Colors:blue,white or other colors are available uponrequest. ⊚ Form Supplied: plain end pipe,belled end pipe or gasketed. pipewith 5.8m or other length are available upon request.

⊚ Sanitary

There is noheavy metal additives in PVC-U water pipe and it would notbe covered with dirt or contaminated bybacterium.

⊚ High Flow Capacity

The smooth interior walls and low friction of PVC-U water pipe result in low flow resistance and high volume.

@ Corrosion Resistance

PVC-U water pipe is non-conductors of electricity and unaffected by electrochemical reactions caused by acids, bases, and salts that cause corrosion in metals.

⊚ Low Installation costs

PVC-U water pipe is lightweight and is installed with solvent cement, thread,flange, and gasketed joint.Ease of installation reducestheinstallationcosts.

@ Longevity

PVC-U water pipe can workformore than50 years under properuse.

⊚ Environment-friendly PVC-U water pipe can be recycled.

Applications

⊚ Municipal water supply
⊚ Commercial & Residential water supply
⊚ Industrial liquids transportation
⊚ Sewagetreatment

Physical Properties

\mathbf{d}_{\mathfrak{n}}\mathfrak{s} Nominal Outside Diameter \mathbf{e}_{\mathfrak{n}^{\flat}} Nominal Wall Thickness PN: Nominal Pressure (unit: MPa) S:PipeSeries SDR:Standard Dimension Rate d,:Nominal OutsideDiameter e,:Nominal Wall Thickness PN: Nominal Pressure (unit: MPa) S:PipeSeries SDR:StandardDimensionRate \mathbf{d}_{\mathfrak{n}}\mathfrak{s} NominalOutsideDiameter \mathbf{e}_{n}\mathbf{:} Nominal Wall Thickness PN: Nominal Pressure (unit: MPa) S:PipeSeries SDR:Standard Dimension Rate

Features

⊚ Material:UnplasticizedPoly (Vinyl Chloride)
⊚ Size:full 20\mathsf{mm} through 250\mathsf{mm} availability
⊚ Standard:ISO 1452-3,BS 6920,GB/T 10002.2
⊚ Color:white,blue or other colors are available upon request
⊚ Joint:joining the plain end pipe and solvent weld fittings by solvent weld joint

Advantages

@ Sanitary:

There is no heavy metal additives in PVC-U Solvent Weld Fittings and it would not be covered with dirt or contaminated by bacterium.

HighFlowCapacity: The smooth interior walls and low friction of PVC-U Solvent Weld Fittings result in low flow resistance and high volume.

@ Corrosion Resistance:

PVC-U Solvent Weld Fittings are non-conductors of electricity and unaffected by electrochemical reactions caused by acids, bases, andsaltsthatcausecorrosioninmetals.

@Low Installation Costs:

PVC-U Solvent Weld Fittings are lightweight and are installed with solvent cement joint. Easeof installationreducestheinstallationcosts. @Longevity:PVC-U Solvent Weld Fittings can work for more than 50 years under proper use.

?Environment-friendly:PVC-U Solvent Weld Fittings can be recycled.

LESSO

PVC-U Drainage Pipe and Fittings PVC-U Gutter For Roof Drainage

Product Overview

⊚ Material: Unplasticized Poly (Vinyl Chloride) ⊚ Size:full 32\mathsf{mm} through 630\mathsf{mm} availability ⊚ Standard:ISO3633,GB/T5836 ⊚ Colors: white or other colors availability upon request ⊚ Form Supplied:4m, 6m or other length availability upon request

Applications

⊚ Soil and waste discharge pipelines (low and high temperature) insidebuildings. ⊚ Rainwater pipelines inside the building. ⊚ Buried drainage pipelines without pressure on the ground.

Advantages

High Flow Capacity

The smooth interior walls and low friction of PVC-U drainage pipe result inlowflowresistance and high volume.

Corrosion Resistance

PVC-U drainage pipe is non-conductors of electricity and immune to electrochemical reactions caused by acids, bases, and salts that causecorrosion inmetals.

LowInstallation Costs

PVC-U drainage pipe is lightweight and is installed with solvent cement and gasketed joint.Ease of installation reduces the installationcosts.

Long Service Life

PVC-U drainage pipe can work for more than 50 years under properuse.

Features

⊚ Material: Unplasticized Poly (Vinyl Chloride) ⊚ Size: full 32\mathsf{mm} through 315\mathsf{mm} availability

⊚ Standard:ISO3633,GB/T5836 ⊚ Color: white or other colors availability uponrequest

Advantages

⊚ HighFlow Capacity: The smooth interior walls and low friction of PVC-U drainage fittings result in low flow resistance and high volume.

@ Corrosion Resistance:

PVC-Udrainagefittingsarenon-conductors ofelectricity andimmune toelectrochemical reactions causedby acids, bases,andsaltsthatcausecorrosioninmetals.

Low Installation Costs:

PVC-U drainage fittings are lightweight and are installedwithsolventcement,andgasketed joint. Ease ofinstallationreducestheinstallation costs.

Long Service Life: PVC-U drainage fittings can work for more than 50
yearsunderproperuse.

⊚ Environment-friendly: PVC-U drainage fittings can be recycled.

LESSO

PVC Conduit,Trunking and Fittings

PVC Conduit,Trunking and Fittings PVC Multifunctional Trunking and Fittings PVC Triangular Trunking

PVC Round Type Wiring Duct Series PVC Air-condition Duct

Standard:IEC614,IEC61386-1,IEC61386-21,AS/NZS2053.2 Colors:whiteand othercolorsuponrequest Length:according to customer'srequests

Advantages

⊚ Excellent non-conductive performance :

The conduit has excellent non-conductive performance, high current breakdown voltage resistance. There's no electrical danger by using Liansu UPVC conduit, because it can resist 25 thousand volt without breakage.

⊚ Good compressure resistance : The conduit can be layed in the concrete with good compressure resistance.

⊚ Good fire resistance : The conduit has good combustion resistance.

⊚ Moist resistance, corrosion resistance : The conduit canresist moist,unaffected byelectrical reactions caused by acids,bases, and oils that cause corrosioninmetals.

⊚ Anti-insect : The conduit can avoid be bited by insects.

@ Easy to bend : Insect one spring into the pipe, then the pipe can be easily bent without heating.

⊚ Easy installation :

Use Liansu cement to connect the pipe and all kinds of accessories.

Applications

⊚ Protect and manage indoor electrical wiring.

NOTE:The thickness marked below only for reference.

NOTE:The thickness marked below only for reference.

Note:

The Grade A and Grade B is the classification code according to the mechanical requirements under specifiedtests (resistance to compression,resistance to impact, collapse resistance etc.). GradeA is Heavy and Grade Bis Medium according to IEC 61386-21,IEC61386-23.

Coupling

Male Adapter(forcorrugated conduit)ll

Male Adapter (for corrugated conduit)

Change Union(for corrugated conduit)