NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

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NSF/ANSI 14
Plastics Piping System Components and Related Materials


Click here for a list of End Use Code Designations.

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Weihai Lianqiao New Material Science & Technology Co., Ltd. 
No. 8 Shihai Street, Chucun
Town, Huan Cui District 
Weihai, Shandong Province 
China 
86 631 569 6087
Visit this company's website

Facility : Shandong, China

Potable Water - Materials

Material Type End Use Trade Name Product Standard
PEX 5308% § +++ 1 LIC XL21001LA/XL21001LB ASTM F876/F877
PEX 5308% § +++ 1 LIC XL21001LA/XL21001LB CSA B137.5

% Certified for natural, red, white and blue material.
  Natural - PEX 5006
  Red, White, Blue - PEX 5308
§ Product is Certified to the Uniform Plumbing Code™. Installation in accordance with the
  manufacturer's instructions and the requirements of the latest edition of the Uniform
  Plumbing Code™.
+++ Material complies with NSF/ANSI/CAN 61 health effects requirements when tested at
    temperatures up to and including Commercial Hot (180° F).


Radiant Floor Heating - Materials

Material Type End Use Trade Name Product Standard
PEX 5308% § 1 LIC XL21001LA/XL21001LB ASTM F876/F877
PEX 5308% § 1 LIC XL21001LA/XL21001LB CSA B137.5

% Certified for natural, red, white and blue material.
  Natural - PEX 5006
  Red, White, Blue - PEX 5308
§ Product is Certified to the Uniform Plumbing Code™. Installation in accordance with the
  manufacturer's instructions and the requirements of the latest edition of the Uniform
  Plumbing Code™.

NSF Certified materials and generic ingredients are exempt from bearing an NSF Certification Mark. Certified materials and generic ingredients are identified by the manufacturer name, facility location, and trade designation as shown in the Official Listing.


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