AENOR Product Certificate

AENOR Product Certificate 001/006638 AENOR, Spanish Association for Standardization and Certification, certifies that the organization ZHEJIANG WEIXING NEW BUILDING MATERIALS CO, LTD registered office MIDDLE BAIYE ROAD - LINHAI CITY (Zhejiang Province - China) supplies piping system for hot and cold water installations Polypropylene (PP-R) in compliance with UNE-EN ISO 15874-1:2013 (EN ISO 15874-1:2013) UNE-EN ISO 15874-5:2013 (EN ISO 15874-5:2013) SYSTEM DESCRIPTION TRADEMARK: VASEN TYPE OF JOINT: Electrofusión APPLICATION CLASS/DESIGN PRESSURE (bar): 1/10 ; 2/8 ; 4/10 ; 5/6 See annex for more information Production site(s) Certification scheme MIDDLE BAIYE ROAD - LINHAI CITY (Zhejiang Province - China) In order to grant this Certificate, AENOR has tested the product and has verified the quality system implemented for its manufacture AENOR performs these tasks periodically while the Certificate has not been cancelled, in accordance with Specific Rules RP 0152 2016-09-20 2021-09-20 Product certification body accredited by ENAC, number 01/C-PR002001 Avelino BRITO Chief Executive Officer Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores

AENOR Product Certificate 001/006638 Annex to Certificate SYSTEM COMPONENT DIAMETERS (mm) MATERIAL REFERENCES Tubos (Certificado AENOR 001/006614) 20-25 - 32-40 - 50-63 - 75-90 - 110-125 - 160 Polipropileno (PP-R) --- Reducción 90 x 63 ; 110 x 63 ; 110 x 90 ; 125 x 110 ; 160 x 90 ; 160 x 110 ; 160 x 125 Polipropileno (PP-R) WXD110 Manguito 25-32 - 40-50 - 63-75 - 90-110 -125-160 Polipropileno (PP-R) WXRD100 Codo 90º 63-75 - 90-110 -125-160 Polipropileno (PP-R) WXRD200 Codo 45º 63-75 - 90-110 -125-160 Polipropileno (PP-R) WXRD220 Te igual 63-75 - 90-110 -125-160 Polipropileno (PP-R) WXRD300 Te reducida 63 x 25 x 63 ; 63 x 32 x 63 ; 75 x 25 x 75 ; 75 x 32 x 75 ; 75 x 63 x 75 ; 90 x 25 x 90 ; 90 x 32 x 90 ; 90 x 63 x 90 ; 90 x 75 x 90 ; 110 x 25 x 110 ; 110 x 32 x 110 ; 160 x 63 x 160 ; 160 x 110 x 160 Polipropileno (PP-R) WXRD310 2016-09-20 2021-09-20 Product certification body accredited by ENAC, number 01/C-PR002001 Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores

AENOR Product Certificate 001/006637 AENOR, Spanish Association for Standardization and Certification, certifies that the organization ZHEJIANG WEIXING NEW BUILDING MATERIALS CO, LTD registered office MIDDLE BAIYE ROAD - LINHAI CITY (Zhejiang Province - China) supplies piping system for hot and cold water installations Polypropylene (PP-R) in compliance with UNE-EN ISO 15874-1:2013 (EN ISO 15874-1:2013) UNE-EN ISO 15874-5:2013 (EN ISO 15874-5:2013) SYSTEM DESCRIPTION TRADEMARK: VASEN TYPE OF JOINT: Termofusión / Inserciones incorporadas APPLICATION CLASS/DESIGN PRESSURE (bar): 1/10 ; 2/8 ; 4/10 ; 5/6 See annex for more information Production site(s) Certification scheme MIDDLE BAIYE ROAD - LINHAI CITY (Zhejiang Province - China) In order to grant this Certificate, AENOR has tested the product and has verified the quality system implemented for its manufacture AENOR performs these tasks periodically while the Certificate has not been cancelled, in accordance with Specific Rules RP 0152 2016-09-20 2021-09-20 Product certification body accredited by ENAC, number 01/C-PR002001 Avelino BRITO Chief Executive Officer Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores

AENOR Product Certificate 001/006637 Annex to Certificate SYSTEM COMPONENT DIAMETERS (mm) MATERIAL REFERENCES Tubos (Certificado AENOR 001/006614) 20-25 - 32-40 - 50-63 - 75 Polipropileno (PP-R) --- Salvatubos 20-25 - 32 Polipropileno (PP-R) WX003-1 Manguito 20-25 - 32-40 - 50-63 - 75 Polipropileno (PP-R) WX100 Racor rosca macho 20-25 - 32-40 - 50-63 - 75 Polipropileno (PP-R) WX101 Racor rosca hembra 20-25 - 32-40 - 50-63 - 75 Polipropileno (PP-R) WX102 Terminal rosca macho 20-25 - 32-40 - 50-63 Polipropileno (PP-R) WX103-1 Terminal rosca hembra 20-25 - 32-40 - 50-63 Polipropileno (PP-R) WX103-2 Unión tuerca hexagonal 20-25 - 32-40 - 50 Polipropileno (PP-R) WX103-2 Unión 20-25 - 32-40 Polipropileno (PP-R) WX103-3 Reducción 25 x 20 ; 32 x 20 ; 32 x 25 ; 40 x 20 ; 40 x 25 ; 40 x 32 ; 50 x 25 ; 50 x 32 ; 63 x 20 ; 63 x 25 ; 63 x 32 ; 63 x 40 Polipropileno (PP-R) WX110 Reducción Macho - Hembra 25 x 20 ; 32 x 20 ; 32 x 25 ; 40 x 20 ; 40 x 25 ; 40 x 32 ; 50 x 20 ; 50 x 25 ; 50 x 32 ; 50 x 40 ; 63 x 20 ; 63 x 25 ; 63 x 32 ; 63 x 40 ; Polipropileno (PP-R) WX120 63 x 50 ; 75 x 63 Codo a 90 20-25 - 32-40 - 50-75 Polipropileno (PP-R) WX200 Codo 90 rosca macho 20-32 Polipropileno (PP-R) WX201 Codo 90 rosca hembra 20-25 - 32 Polipropileno (PP-R) WX202 Codo 90 rosca hembra pared 20-25 Polipropileno (PP-R) WX202-1 Coda 90º reducido 25 x 20 ; 32 x 20 ; 32 x 25 ; 40 x 32 Polipropileno (PP-R) WX210 Codo a 45 20-25 - 32-40 - 50-63 - 75 Polipropileno (PP-R) WX220 Te igual 20-25 - 32-40 - 50-63 - 75 Polipropileno (PP-R) WX300 2016-09-20 2021-09-20 Product certification body accredited by ENAC, number 01/C-PR002001 Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores 1/2

AENOR Product Certificate 001/006637 Annex to Certificate SYSTEM COMPONENT DIAMETERS (mm) MATERIAL REFERENCES Te rosca macho 20-25 - 32-40 Polipropileno (PP-R) WX301 Te rosca hembra 20-25 - 32 Polipropileno (PP-R) WX302 Te reducida 20 x 25 x 20 ; 25 x 20 x 20 ; 25 x 20 x 25 ; 25 x 25 x 20 ; 32 x 20 x 20 ; 32 x 20 x 25 ; 32 x 25 x 20 ; 32 x 25 x 25 ; 32 x 20 x 32 ; 32 x 25 x 32 ; 40 x 20 x 40 ; 40 x 32 x 40 ; 50 x 20 x 50 ; 50 x 25 x 50 ; 50 x 32 x 50 ; Polipropileno (PP-R) WX310 50 x 40 x 50 ; 63 x 20 x 63 ; 63 x 25 x 63 ; 63 x 32 x 63 ; 63 x 40 x 63 ; 63 x 50 x 63 ; 75 x 20 x 75 ; 75 x 25 x 75 ; 75 x 32 x 75 ; 75 x 50 x 75 Portabridas 40-50 - 63 Polipropileno (PP-R) WX400 Cruz 20-25 - 32-40 - 50-63 Polipropileno (PP-R) WX4000 Tapón 20-25 - 32-40 - 50-63 - 75 Polipropileno (PP-R) WX500 Injerto a tubos 50-63 - 75 Polipropileno (PP-R) WX600 2016-09-20 2021-09-20 Product certification body accredited by ENAC, number 01/C-PR002001 Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores 2/2

Certificate of conformity 001/006619 AENOR, Spanish Association for Standardization and Certification, certifies that the organization ZHEJIANG WEIXING NEW BUILDING MATERIALS CO, LTD registered office BAIYE MIDDLE ROAD ECONOMIC DEVELOPMENT ZONE LINHAI CITY (Zhejiang Province - China) supplies Polypropylene pipes (PP-R) / polypropylene + glass fiber (PP-R + FV) / polypropylene (PP-R) for installation of hot and cold water inside the building structure in compliance with ESPECIFICACIÓN TÉCNICA AL RP 0172 DESCRIPTION TRADEMARK: VASEN FIBERGLASS CONTENT: 8% FIBERGLASS CONTENT OF THE MIDDLE LAYER: 24% See annex for more information Production site Certification scheme NO 4601 DAYE ROAD, FENGXIAN ZONE (SHANGHAI - China) In order to grant this Certificate, AENOR has tested the product and has verified the quality system implemented for its manufacture AENOR performs these tasks periodically while the Certificate has not been cancelled, in accordance with Specific Rules RP 00172 2016-07-20 2021-07-20 Avelino BRITO Chief Executive Officer Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores

Certificate of conformity SERIE DIAMETERS (mm) 001/006619 Annex to Certificate APPLICATION CLASS /DESIGN PRESSURE (bar) OPACITY 2,5 20-25 - 32-40 - 50-63 - 75-90 - 110-125 1/10 ; 2/8 ; 4/10 ; 5/6 YES 3,2 20-25 - 32-40 - 50-63 - 75-90 - 110-125 - 160 1/8 ; 2/6 ; 4/10 ; 5/6 YES 2016-07-20 2021-07-20 Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores

Certificado AENOR de Producto Plásticos 001/006614 AENOR, Asociación Española de Normalización y Certificación, certifica que la organización ZHEJIANG WEIXING NEW BUILDING MATERIALS CO, LTD con domicilio social en MIDDLE BAIYE ROAD - LINHAI CITY (Zhejiang Province - China) suministra Tubos de polipropileno (PP-R) para instalaciones de agua caliente y fría conformes con UNE-EN ISO 15874-1:2013 (EN ISO 15874-1:2013) UNE-EN ISO 15874-2:2013 (EN ISO 15874-2:2013) MARCA COMERCIAL SERIE DIÁMETROS (mm) CLASE DE APLICACIÓN / PRESIÓN DE DISEÑO (bar) OPACIDAD Centro(s) de producción Esquema de certificación Fecha de primera emisión Fecha de expiración VASEN 2,5 16-20 - 25-32 - 40-50 - 63-75 - 90-110 - 125-160 1/10 ; 2/8 ; 4/10 ; 5/6 SI MIDDLE BAIYE ROAD - LINHAI CITY (Zhejiang Province - China) Para conceder este Certificado, AENOR ha ensayado el producto y ha comprobado el sistema de la calidad aplicado para su elaboración AENOR realiza estas actividades periódicamente mientras el Certificado no haya sido anulado, según se establece en el Reglamento Particular RP 0152 2016-07-20 2021-07-20 Entidad de certificación de producto acreditada por ENAC con acreditación nº 01/C-PR002001 Avelino BRITO MARQUINA Director General de AENOR Génova, 6 28004 Madrid España Tel 902 102 201 wwwaenores