The certificates

Not a number — the documents

60 intellectual property registrations, plus CE, system certification, and honors. These 16 are the originals — patents and copyrights trace to a registration number, honors show their validity period. Ask an engineer for the full list.

Low-cost visual inspection of surface defects on small-diameter pipe — Low-cost visual inspection of surface defects on small-diameter pipeZL201811243056.4

Pipe diameter & thickness gauge and its measuring method — Pipe diameter & thickness gauge and its measuring methodZL202110063828.1

Calibration method and device for pipe wall-thickness measurement — Calibration method and device for pipe wall-thickness measurementZL202110297987.8

Ultrasonic Online Thickness System V2.0 — Ultrasonic Online Thickness System V2.02017SR3911722017-07-21

Pipe Inbound Quality & Safety System V1.0 — Pipe Inbound Quality & Safety System V1.02021SR04608772021-03-29

Plastic Extrusion Production Monitoring System V2.00 — Plastic Extrusion Production Monitoring System V2.002018SR7451632018-09-13

Sealion Gravimetric Control System V5.22 — Sealion Gravimetric Control System V5.222023SR15659422023-12-05

Ultrasonic Online Thickness System V3.07 — Ultrasonic Online Thickness System V3.072023SR15661692023-12-05

Online Intelligent Pipe Inspection System V1.0 — Online Intelligent Pipe Inspection System V1.02025SR24558612025-12-22

Pipe Inbound Quality & Safety System V1.1 — Pipe Inbound Quality & Safety System V1.12025SR24418862025-12-18

Sealion Volumetric Masterbatch Feeding System V1.0 — Sealion Volumetric Masterbatch Feeding System V1.02025SR24598202025-12-22

Gravimetric Control System

Ultrasonic Online Thickness System

Guangzhou Sea-lion Software Technology Co., Ltd.

Innovative SME — Innovative SMEValid 2022.12–2025.12

AAA Credit Enterprise — AAA Credit EnterpriseValid 2024.09–2027.09

The full list of 60 IP registrations →