BISON / Certificates
BISON certificates & product documents
Browse our factory certificates and selected product documents. Tell us which model you plan to order, and we can help you find the paperwork for your market.
Factory management systems
Our management system certificates cover the design and production of gasoline generators, engines, water pumps, high-pressure cleaning machines and direct-coupled air compressors. The certificates below are issued to Zhejiang Bison Machinery Co., Ltd.
If your purchasing team needs a factory social-audit report, ask us for our May 2026 amfori BSCI report.
Product certificates & approvals
These documents cover selected BISON models. Open the PDFs for the complete model lists and specifications. For your order, we can help check the documents against the model and destination country.
Gasoline generators
BS2500, BS3500, BS3800, BS4000, BS6500, BS7500 and BS8500, including the E versions listed in the documents.
Open-frame inverter generators
BS1500i, BS3250i, BS3750i and BS4500i, with the model variants listed in the documents.
Enclosed inverter generators
Machinery and EMC attestations for BS2000IS, BS2250IS, BS2500IS and BS6250IE, including the listed variants.
Generator noise certificates
Separate noise certificates for BS2500, BS3800 and BS4000, including their E versions. Choose the document for your model.
Stage V engine approval
BS225 engine family: BS172F, BS170F-1, BS170F and BS168F-1. The PDF includes the approval and supporting information package.
Diesel pressure washers
Machinery attestation for BSDE200A, BSDE200B, BSDE250A, BSDE250B, BSDF-3522 and BSDF-5015.
OF24-2G air compressor
SGS certificate of compliance to UL 1450 for the 120 V, 60 Hz, 11 A model.
Tillers
Machinery attestation covering the BS-AMPT, BS-AMCT and BS-AMMT models, plus the FG and FD models listed in Annex I.
Gasoline pressure washers
Machinery attestation covering the G150, G200, G250, 170 and 180 models listed in Annex I.
Electric pressure washers
Machinery, low-voltage and EMC attestation for ES3.7-4 and the additional ES, 150 and 180 models listed in Annex I.
Brush cutters & grass trimmers
Machinery certificate for the listed BS 430A, 430B, 520A and 520B versions. The engine EMC file covers IE40F-5 and IE44F-5 only.
Concrete mixers
Machinery, low-voltage and EMC attestation for CM120, CM145, CM165, CM185, CM200, CM220 and CM240.
Chain saws
ECM certification-mark compliance document to EN ISO 11681-1:2022 for the listed 25CC–106CC models.
Air compressors: EU documents
Machinery, low-voltage and EMC attestation for the DO, DV, OF and DOF compressor models listed in Annex I.
Product design & patents
Our development work includes generators and cleaning equipment. Here are examples of our Chinese patents and a registered EU design.
Compact gasoline generator set
Chinese invention patent for a compact gasoline generator set.
Registered EU design
EU design registration held by Zhejiang Bison Machinery Co., Ltd. The original includes English text and the registered design drawings.
Need certificates for your order?
Send us the model and destination country so we can check the documents you need.