EMS Suppliers, Verified
Home  ·  PCB  ·  Wire harness  ·  Cluster  ·  Guides  ·  About & Methodology
Wire Harness & Cable Assembly / Profile

Sichuan Ruithai Electronic Technology Co., Ltd.

四川瑞天泰电子科技有限公司
USCC 9151092109991360X0  ·  Pengxi, Suining, Sichuan  ·  profile compiled 2026-11-01
Automotive · motorcycle · EV harnesses and connectors
3C and UL certified · High-Tech Enterprise GR202351004179
¥20M registered and ¥20M paid in
Advertised domain has mail records but no web record
The domain in its published email does not resolve

What this factory is. A 76-person harness and connector plant in Pengxi County, on the rural side of the Suining cluster, making automotive, motorcycle and electric-vehicle wiring harnesses and cable assemblies alongside connectors, moulded parts and cable. Founded 2014, ¥20M registered capital paid in full, High-Tech Enterprise since 2017 with the current certificate running to December 2026, 3C and UL marks on the product, and 38 live patents.

Why a buyer might want it. Harness work is labour-intensive and this is a county-level plant with county-level cost — which is why the cluster's harness work sits here rather than in the city plants that chase multilayer boards. The patent file is unusually specific for a shop this size: terminal pull-test fixtures, waterproof raceway connectors, cable-bundling devices, a harness BOM and material-coding system, and a cable reliability test platform. Those are the tools of somebody who tests crimps rather than somebody who says they do.

The fault line, in one sentence. Every database lists scruitiantai.com as its website; that domain has mail records and no web record — the site is gone. And the domain inside the email address printed in its trade listings, ruithai.com, does not resolve at all, so mail sent to the address a buyer would find bounces.

A · Entity identity

FieldValueSource
1 · Legal name四川瑞天泰电子科技有限公司 · brand 瑞天泰 / Ruithai · English name used in trade listings: SiChuan RuiThai Electronic Technology Co., Ltd.registry; company listings
2 · USCC9151092109991360X0 · limited liability company (natural persons) · registered with the Pengxi County registry · Grade-A taxpayer (2025)registry record
3 · Founded / capital2014-05-20 · registered capital ¥20M, ¥20M paid in 100% paid — the cleanest capital position of any plant in this directoryregistry; 2025 annual filing
4 · AddressXihua Expansion Zone, Shangyou Industrial Park, Chicheng Town, Pengxi County, Suining, Sichuan
遂宁市蓬溪县赤城镇上游工业园西华拓展区 — about 40 km from the Suining city plants, in a county industrial park
registry
5 · People / scaleLegal representative, executive director and manager 何强 (He Qiang) · supervisor 蒋瑶 · 76 insured employees (2025 filing) · graded small enterprise
4 trademarks · 4 software copyrights · 50 patent records
registry; 2025 annual filing; IP databases

B · Capability — and the fields that stay blank

FieldValueSource
6 · Product scopeAutomotive wire and harnesses · motorcycle wire and harnesses · electric-vehicle wire and harnesses · connecting cables · connectors · communication products · cable · moulded plastics · hardware fittings · foreign trade (import/export in the registered scope)registered business scope
7 · Connector platformsNot published. No TE, Molex, JST, Delphi/Aptiv or Sumitomo series is named anywhere the company controls. Trade listings quote “connectors” and nothing more specific.—
8 · Wire gauge rangeNot published. No AWG or mm² range, no insulation-type list, no temperature rating.—
9 · Crimp and pull-test capabilityInferred, not stated: the patent file includes a terminal pull-test fixture with an anti-slip clamp (granted 2026-08-21) and a high-end cable reliability test and analysis platform registered as software. A shop that patents a pull-test fixture tests crimps. no pull-force figures, no crimp-height data, no IPC/WHMA-A-620 class is claimedIP database; software-copyright register
10 · Lead time, MOQ, toolingNot published — none of the three appears in any company-controlled source, because there is no company-controlled source left online.—
11 · Stated customersSamsung, Huawei, Gree (encyclopaedia entry) · 连展 Lianzhan, 四川立讯 Luxshare Sichuan, 四川长虹 Changhong, 成都品胜 Pisen, 中光防雷 Zhongguang Lightning Protection (trade listing) both lists are third-party; no purchase contract or audit document is publicencyclopaedia; trade listing
12 · Growth claim“Output value has grown more than 10% a year since 2017”, and a listing on the Tianfu New Fourth Board on 2019-05-07 the board is a regional quotation platform for small companies, not an exchange listing — it is a disclosure venue, not a capital eventencyclopaedia entry

C · Trust anchors

FieldValueSource
13 · High-Tech EnterpriseGR202351004179 — issued 2023-12-12, valid to 2026-12-12
Renewed twice before: GR202051000154 (2020) and GR201751000753 (2017) — a continuous record since 2017, which is rare at this size
national HNTE register
14 · Other designationsTechnology-based SME — 2026 batch, certificate 2026510921A8002414, valid to 2026-12-31
Innovative SME (Sichuan) — 2025 batch, valid 2026-02-02 to 2029-01-31
“Specialised & Sophisticated SME” is still printed in its encyclopaedia entry, but the certificate lapsed on 2022-12-20 and no renewal appears in the register
provincial S&T department; provincial economy & IT department
15 · Product certificationCCC (China Compulsory Certification, two certificates plus a factory inspection) and UL the UL file number is not published — a UL claim without an E-number cannot be checked by a buyer, and UL's own database is the only place to confirm it
11 certificates on file total: quality system ×3, environment ×2, occupational health & safety ×1, IP management ×1
certificate registers
16 · Quality system versionIts own trade copy says production follows ISO 9001:2008 — a revision withdrawn in 2015. Three quality-system certificates exist in the register, so a current certificate probably exists; the only version the company ever published is a decade out of datetrade listing; certificate register
17 · IP50 patent records — 45 utility model, 3 invention applications, 1 granted invention, 1 design · 38 in force, 11 lapsed or rejected, 1 under examination
Recent grants are on-topic rather than decorative: terminal pull-test fixture, waterproof raceway connector, cable-bundling device, data-cable plug positioning jig. Nine filings in 2025 alone — the portfolio is still being fed.
IP database, checked 2026-11-01
18 · Litigation4 cases on record — 2 work-injury insurance disputes (2021), 1 enforcement case (2024)川0921执1423号, 1 equipment-supplier dispute (2016) very low; no dishonest-debtor listing, no consumption restriction, no tax arrears foundaggregated court records

D · The digital footprint — a domain that answers mail and nothing else

FieldValueSource
19 · The website does not exist, but the domain doesEvery commercial database prints scruitiantai.com as this company's website. Resolve it and the record is unambiguous:
$ dig A    scruitiantai.com   → (empty)
$ dig MX   scruitiantai.com   → 10 mx1.hwmail.com.cn.
                                20 mx2.hwmail.com.cn.
$ dig NS   scruitiantai.com   → ns1..ns6.myhostadmin.net.
$ curl http://www.scruitiantai.com/ → could not resolve host
The domain is registered, delegated and receiving mail, and has no web server behind it. This is the same failure mode as Zhichao in this directory's PCB section: the renewal is being paid, the mailbox works, the site is gone. Checked against two public resolvers on 2026-11-01.
direct DNS/HTTP checks
20 · The published email address cannot receive mailTrade directories print cy.zhou@ruithai.com as the contact address. ruithai.com returns no A, no MX and no NS record at all — the domain does not exist in DNS. Mail to that address fails at the first hop.
The addresses the business databases hold instead are free @163.com mailboxes. So the company does have a working inbox — it is just not the one printed where a buyer would look, and there is no website on which to correct the record.
direct DNS checks; business databases
21 · Three databases, three answersOn the single field “website”: one database prints scruitiantai.com, another prints nothing at all, a third prints www.scruitiantai.com/index.html — a URL to a host that does not resolve. none of them is wrong about what it was told; all of them are useless to a buyerthree commercial databases, checked 2026-11-01
22 · Everything elseNo English site. No B2B storefront found. No robots.txt, no sitemap, no structured data — there is no site to carry them. For a company whose registered scope includes foreign trade and whose product carries a UL mark, the export-facing presence is a 163.com mailbox.direct checks 2026-11-01

What this profile shows about visibility

This is the cruellest version of the problem in the directory. The other plants here have a site with faults, or no site at all. Ruithai has a domain that half-works: mail flows, the web does not. That is worse than nothing, because it keeps every directory printing a URL that a buyer will click, and the click fails. Then the buyer tries the email on the same page, and that fails too.

The gap between the company and its own evidence is the real story. Fifty patents, 38 in force, nine filed in 2025. A pull-test fixture patented last quarter. A UL mark. A High-Tech Enterprise certificate renewed three times. Paid-in capital at 100%. This is a plant doing the hard part properly and then failing to publish any of it — no wire gauge, no connector platforms, no pull-force data, no MOQ, no lead time, no English. A harness buyer shortlisting on a search engine cannot see any of it.

And two labels are now out of date on a page nobody can fix. “Specialised & Sophisticated SME” lapsed in December 2022 and is still being repeated by encyclopaedia entries; the quality system is described as ISO 9001:2008, withdrawn in 2015. Both would take ten minutes to correct — on a website that does not exist.

What a buyer should verify directly

Open fields, not a rating. (1) Reach them at all — the printed address bounces; ask for a working inbox and a named contact before anything else. (2) Connector platforms: which TE / Molex / JST / Aptiv series can they crimp, and do they hold the applicators or buy terminated leads. (3) Wire range in AWG and insulation types, plus the temperature class. (4) Crimp validation: pull-force per wire gauge, crimp-height measurement, cross-section analysis — and whether the pull-test fixture in the patent file is actually in use on the line. (5) UL file number (E-number) and the UL category; a UL claim without it cannot be verified. (6) Current ISO 9001 certificate number and revision — the published one is a withdrawn edition. (7) Whether the lapsed Specialised & Sophisticated designation has been replaced, since several Chinese tenders score it. (8) Lead time and MOQ, which is the entire reason a buyer would look at a 76-person county plant in the first place.

23 · Sources for this profile

  1. Public business registry record and 2025 annual filing — USCC 9151092109991360X0, incorporation 2014-05-20, registered and paid-in capital ¥20M, legal representative, registered address in Pengxi County, 76 insured, small-enterprise grading, full business scope including foreign trade, Grade-A taxpayer 2025
  2. National High-Tech Enterprise register — GR202351004179 (2023-12-12 to 2026-12-12), with the prior certificates GR202051000154 and GR201751000753
  3. Provincial S&T department — Technology-based SME 2026, certificate 2026510921A8002414, valid to 2026-12-31; Provincial economy and IT department — Innovative SME 2025, valid 2026-02-02 to 2029-01-31; 2019 Specialised & Sophisticated listing with validity ending 2022-12-20
  4. Certificate registers — 11 certificates including CCC (two product certificates plus factory inspection), quality system ×3, environment ×2, occupational health & safety, IP management
  5. IP and software-copyright registers, checked 2026-11-01 — 50 patent records (38 in force, 11 lapsed or rejected, 1 pending), 9 filings in 2025, terminal pull-test fixture granted 2026-08-21, waterproof raceway connector, cable-bundling device, data-cable plug jig; 4 trademarks, 4 software copyrights including a harness BOM and material-coding system and a cable reliability test platform
  6. Aggregated court records — 4 cases: two 2021 work-injury insurance disputes, (2024)川0921执1423号, and a 2016 equipment-supplier dispute; no dishonest-debtor listing, consumption restriction or tax arrears located
  7. Encyclopaedia and trade-directory entries — corporate description, customer lists, 2019-05-07 Tianfu New Fourth Board listing, the “10% annual growth since 2017” claim, the ISO 9001:2008 reference, and the published contact address cy.zhou@ruithai.com
  8. Direct DNS and HTTP checks on 2026-11-01 — scruitiantai.com with NS and MX but no A record, www.scruitiantai.com NXDOMAIN, ruithai.com with no NS/A/MX at all, no English site or storefront located