CNC MACHINING SINCE 2005
to your specifications. We keep you informed, so you can move forward with confidence.
Milled housings, plates and brackets made to your drawing. We review material, critical dimensions, tool access and finishing requirements before agreeing the machining and inspection scope.
Your drawings are kept private. Discuss an NDA before sharing.
Turned shafts, sleeves and threaded components. We review diameters, mating fits, threads and surface finish against your drawing, including any secondary machining and inspection requirements.
Your drawings are kept private. Discuss an NDA before sharing.
Bar-fed machining for small components with stepped diameters, grooves and threads. Material, part support and secondary features are reviewed to select the machining route and inspection method.
Your drawings are kept private. Discuss an NDA before sharing.
QC first-piece approval before normal production, with in-process checks every two hours. Critical dimensions, measurement methods and the inspection documents required for your order are agreed during project review.
Your drawings are kept private. Discuss an NDA before sharing.
Laser-cut profiles and sheet components. Send the material grade, thickness and drawing, including edge condition, bending and finishing requirements, so the quotation covers the finished part.
Your drawings are kept private. Discuss an NDA before sharing.
CNC: QC first-piece approval · In-process checks every 2 hoursView quality process
WHEN YOUR SUPPLIER HOLDS UP PRODUCTION
When a supplier misses a delivery date, sends parts outside specification or leaves questions unanswered, your team has to deal with the consequences. Assembly waits. Inspection work increases. Time goes into chasing answers instead of moving production forward.
At Beigain, we review the drawing, inspection requirements and delivery date together. The aim is straightforward: agree what your team needs, resolve open questions before machining and supply parts against that agreed specification and schedule.
FROM MACHINING TO VERIFICATION
Explore the machining routes, drawing details and inspection requirements behind your component.
Beigain machines pockets, profiles and features across multiple faces, with setups planned around tool access, datum relationships and the finished dimensions that determine how the component assembles.
Beigain produces rotational components with stepped diameters, shoulders, bores and threads. The machining review focuses on mating fits, functional surfaces and additional features shown on the drawing.
Swiss-type machining provides a route for suitable bar-fed components. Beigain reviews stock selection, feature layout, sensitive edges and measurement access together before agreeing the machining approach.
Beigain plans material, production and final checks around the approved drawing. Measurement methods, acceptance criteria and delivery documents are agreed for the component and the order.
BEYOND CNC MACHINING
Explore tooling, formed metal parts and finishing as part of your manufacturing project.
Plan resin selection, tooling, molded features and sample approval around your component.
Tooling · Molded parts · SamplesExplore serviceReview sheet thickness, cut profiles, bends and joining requirements for your drawing.
Panels · Brackets · EnclosuresExplore serviceDefine the appearance, masking areas and final dimensions required after treatment.
Appearance · Protection · FitExplore serviceReview the profile, specified alloy, tooling and secondary machining for your component.
Profiles · Tooling · Secondary machiningExplore serviceDiscuss the specified alloy, tooling, cast features and finishing requirements together.
Cast parts · Tooling · FinishingExplore serviceDefine the model, intended use, material and post-processing needs for your prototype.
Models · Prototypes · Part requirementsExplore serviceFROM CONCEPT TO COMPONENT
Bring the drawing, material, finish and inspection together before production begins.
STEP 01
Bring the current drawing, model and material requirement. Beigain discusses the component’s functional features, machining route and inspection needs, with proposed changes brought back to you for approval.
THE CHECK THAT MATTERSAre the drawing revision and critical features agreed?
Prepare your project
STEP 02
Discuss a sample requirement before moving to the next project stage. Define the drawing revision, material, finish and acceptance criteria so the sample review addresses the component you need.
THE CHECK THAT MATTERSWhat must the sample demonstrate before you approve it?
Discuss sample requirements
STEP 03
Milling, turning and Swiss machining form the core of Beigain’s production offer. Review quantities, material, finishing and inspection as one scope, with the approved drawing providing a clear reference for the work.
THE CHECK THAT MATTERSQC releases the first piece; patrol checks follow every two hours.
Explore machining capabilities
STEP 04
Bring appearance and functional surfaces into the machining discussion. Beigain reviews the requested finish, masking and final dimensional condition with the project, so the quotation can define the complete scope.
THE CHECK THAT MATTERSWill the finished surfaces and dimensions meet the agreed requirement?
Plan finishing requirements
STEP 05
Identify the critical measurements and documents your receiving process needs. Inspection scope, protective packaging and delivery arrangements are agreed around the geometry and requirements of the finished component.
THE CHECK THAT MATTERSAre acceptance checks, protective packing and required records agreed?
Explore quality and inspectionBEIGAIN PART EXAMPLES
Explore components from Beigain’s machining work, from detailed profiles to turned features.
View all part examplesMATERIALS
Review the material family, functional requirements and final surface condition together.
MACHINING MATERIALS
Review the specified alloy and condition with the part’s pockets, profiles, mating faces and final finish.
MACHINING MATERIALS
Define the steel grade and condition for the component. Review hardness, treatment, corrosion protection and finished dimensions together.
MACHINING MATERIALS
Specify the stainless-steel grade, environment and functional surfaces. Agree the finished dimensions and material evidence for your order.
MACHINING MATERIALS
Copper and brass belong in one material family, but are not interchangeable. Specify the exact alloy, contact requirements and final surface condition.
MACHINING MATERIALS
Bring polymer grade, fillers, operating conditions and assembly requirements into the material review.
QUALITY & INSPECTION
Beigain releases the first piece through QC for every batch and machine change. Two-hour patrol checks and 100% inspection of critical dimensions take place during production; final acceptance uses an agreed AQL sampling plan.
QUALITY MANUAL & PROCEDURES
From order review and incoming checks to first-piece approval, final inspection and corrective action.
BG-QM-01 · Revision A0 · Reference translation of the supplied edition.QUALITY, WITH DOCUMENTS TO REVIEW
Review Beigain’s quality management certificate and sample test reports, in the on-page preview. Request a PDF copy by email.
Explore Beigain’s quality processCertificate holder as printed: Dongguan Beigeng Hardware Electronic Technology Co., Ltd.
Results apply to the tested sample and the test items specified in the full report.
The report covers 250 SVHCs on the candidate list through 25 Jun 2025, within its stated test scope.
RoHS and REACH documents relate to the identified sample. Product-specific material, testing and documentation requirements are agreed during quotation.
CUSTOMER VISITS & CONVERSATIONS
Time around the same table helps turn drawings, samples and questions into a clearer understanding. These photographs show customer visits and shared moments with Beigain.
CUSTOMER FEEDBACK
Read historical customer feedback alongside the original message excerpts.
Nancy is very helpful and always available to answer any questions. The samples received were to specification and delivered on time.
Buyer from the United States
HIGHLY RECOMMEND! Very easy to communicate with, especially when creating a complete custom piece with multiple working parts. Brenda is fantastic to work with and the quality of their work is amazing. Very high quality control standards.
Buyer from the United States
CNC factory recommended by a friend, the service attitude is very good, before I placed the order, I revised the drawings many times, the seller is also very patient to give me a quote.
Buyer from Canada
A CLOSER LOOK AT BEIGAIN
MEET BEIGAIN · DONGGUAN, CHINA
See how the manufacturing process relates to your part. Suggest a date and tell Beigain which processes, inspection records or project questions you want to review.
Appointments are subject to Beigain confirmation. A requested date does not reserve a time slot.
ENGINEERING RESOURCES
01 / DRAWINGS & QUOTATIONS
What to include in your drawing package, from revision to repeat quantities.
Read the guide02 / QUALITY PLANNING
Connect critical features with a clear acceptance requirement.
Read the guide03 / SURFACE FINISHES
Consider the relationship between finishing, fit and critical dimensions.
Read the guideFREQUENTLY ASKED QUESTIONS
Start with the essentials. For part-specific questions, share your drawing with the enquiry.
Discuss your projectCNC milling, CNC turning and Swiss machining form the core of Beigain’s offer. The service range also includes injection molding, sheet metal fabrication, surface finishing, aluminum extrusion, die casting and 3D printing. Send the complete part drawing so Beigain can review the proposed route, any tooling or secondary operations, and the inspection scope for that component.
Provide a revision-controlled 2D drawing, a matching 3D model when available, material grade and condition, sample and production quantities, surface finish and delivery destination. Mark critical fits, threads and cosmetic faces. A requested delivery date and required inspection documents help Beigain separate machining, finishing, verification and shipping requirements in the quotation.
Put the required limits and datum references on the drawing, especially for mating diameters, hole positions, flatness and other functional features. Beigain reviews those requirements against the material, geometry, setup and measurement method. Machine specifications are not a universal finished-part tolerance; the quotation and approved drawing must define acceptance for the actual component.
Every batch and every machine change requires first-piece confirmation by QC before normal production. Routine patrol checks take place every two hours, with 100% inspection of critical dimensions during production. Final inspection normally uses AQL 0.65–1.0 sampling. Confirm the critical characteristics and final sampling plan in the RFQ; routine final dimensional inspection is not 100%.
Beigain provides drawing-based samples, typically in 7–15 days depending on the part and process. The sample schedule is confirmed with the quotation; material, tooling, finishing and approval requirements can affect timing. Production quantities and transport have separate schedules.
Beigain charges for samples. The sample fee can be credited against a subsequent production order. The quotation confirms the sample charge and the credit arrangements for that order.
Delivery documents are provided according to customer requirements. Specify the dimensional or first-article report, material certificate, Certificate of Conformance or treatment records needed for receiving, and agree their scope before ordering. EN 10204 3.1 availability must be confirmed for the material supply; it is not an automatic inclusion. The displayed RoHS and REACH reports relate to the identified SS303 sample, so new-product documentation needs its own agreed scope.
Beigain typically provides a quotation within 24 hours after receiving complete drawings and requirements. Include material, quantity, finish, critical features and delivery documents so the scope can be reviewed together. This is a normal quotation turnaround, not an instant price or a production lead time. Saving this local preview does not send the enquiry to Beigain or start that quotation period.
ENGINEERING & PROCUREMENT
A successful custom part starts with the relationship between its function, manufacturing route and acceptance criteria.
For a pocketed housing, begin with milling access, wall stability and the locating faces. For a shaft or adapter, begin with diameters, shoulders, threads and the shared axis. For a long, small bar-fed component, review Swiss machining alongside the complete feature sequence. A process name is useful only when it connects to the geometry that matters.
The service pages explain the drawing decisions behind those routes. Material pages then address alloy or polymer selection, and the quality guidance turns functional requirements into an inspection scope. This sequence helps engineering and purchasing evaluate the same component rather than compare disconnected machine lists.
Send the current drawing and model together with the intended quantity stages. Identify the few features that control fit, sealing, movement or appearance, then show the final surface condition in which they must be accepted. If the design is still open, distinguish mandatory requirements from details that can be changed through approval.
A useful quotation should reveal the proposed manufacturing scope, material, secondary operations, sample stage and evidence included. Confirm the production requirement after those decisions are aligned. The parts gallery, factory information and inspection resources provide context for that review; the approved component specification establishes what will actually be supplied.
BEIGAIN® UPDATES
Manufacturing insights, workshop stories and useful resources for your next project.
