FEATURED PARTS

We manufacture high-performance custom large-scale parts and non-standard components for automotive, industrial and heavy equipment applications, with strict quality control and reliable production capabilities

Prime Craft founded in-house workshop with core CNC machining and vacuum casting, focusing on prototype and small-batch custom mechanical parts for industrial and auto clients.

Added in-house turning, sheet metal and 3D printing equipment step by step, enriching metal & rapid prototype processing. We started to build cooperative supplier resources for special crafts outside our core production range.

Completed in-house die casting and injection molding production lines, forming mature metal & plastic bulk manufacturing capability. Our supply chain system for auxiliary processes was further perfected.

Launched independent in-house carbon fiber molding workshop. With all eight core processes fully self-produced and mature supplier resources in place, we deliver full-chain one-stop custom manufacturing for global customers across Europe, America and Southeast Asia.

A: We develop custom non-standard components covering automotive, industrial equipment, robotics and automation machinery. Our in-house workshop covers CNC machining, die casting, injection molding, silicone compression molding and carbon fiber fabrication; we also partner with certified foundries for 3D sand casting and specialized casting projects to complete full-process part production.

A: Our production covers mainstream raw materials: aluminum, carbon steel, stainless steel, zinc & magnesium alloys; common engineering plastics including ABS, PC, PA, POM; silicone rubber and carbon fiber composite. We match material selection per your end-use performance needs, and you may refer to our material introduction page for detailed parameter info.

A: Production turnaround varies based on part complexity, order quantity and selected manufacturing process. In-house prototype work generally finishes within 3–7 working days; formal bulk production normally takes 2–6 weeks after drawing confirmation. We lock in an accurate project schedule after reviewing your 3D files and technical specs.

A: We accommodate projects from single-piece prototype to mass-volume manufacturing. Short-run options including 3D printing, vacuum casting and 3D sand casting work perfectly for low-quantity trials; injection molding and high-pressure die casting are cost-effective choices for large-batch serial production.

A: Our factory runs ISO9001-compliant QC workflows, equipped with 3D CMM and 2.5D VMM precision measuring instruments. Every finished item goes through dimension inspection, raw material certification and surface finish testing before packing and shipment to control consistent quality.

A: Standard CNC & die casting reach tolerance down to ±0.05 mm. For high-precision transmission parts, our precision gear machining complies with AGMA Class 13 industrial specification upon request.

A: Our in-house mechanical engineers deliver free DFM review at the early design phase. We revise product structures to cut unnecessary production cost, improve mechanical durability and streamline subsequent manufacturing efficiency before mold or production starts.

A: We coordinate in-house finishing and certified cooperative surface workshops to deliver diversified post-processing options. Available services include mechanical polishing, sandblasting, hard anodizing, electroplating, spray painting, powder coating and multi-type anti-corrosion coating. We match proper surface craft based on your part’s wear resistance requirement and exterior appearance standard.

A: We sign formal NDA confidentiality agreements with every client before project launch. All your 3D files and technical specs are stored on encrypted internal server with tiered access permission and never leaked to irrelevant third-party manufacturers. Besides, all our in-house staff and long-term partner suppliers sign internal confidentiality contracts to secure your proprietary design

A: Kindly send your 3D CAD drawings, target order quantity, material specs and end-product application info via company email or the website contact form. Our technical sales team will complete drawing review and cost calculation, then send the formal quotation within 24~48 working hours.

A: Our in-house 3D printing workshop runs mainstream additive manufacturing equipment covering SLA, SLS, FDM, DLP, LCD, SLM, MJF and PolyJet. These different printing processes cover high-detail appearance prototypes, durable functional plastic samples and high-strength metal spare parts, well suited for single-piece trial and small-batch pilot production

A: We stock abundant 3D-print raw materials: performance-matched simulated engineering plastics (ABS-like, PC-like, PA12), flexible elastic resin, plus metal powders including stainless steel, aluminum alloy and titanium alloy. We select corresponding raw material according to your part’s mechanical property and practical working conditions.

A: Our in-house 3D printing production supports diversified industrial demands across multiple sectors:

Early-stage rapid prototyping for design validation and assembly fit testing;

Functional sample parts for lab performance verification and durability trials;

Low-volume custom spare components for automotive equipment, industrial machinery and aerospace projects;

Complex hollow & lattice-structured parts which are difficult or cost-prohibitive to manufacture via conventional CNC or molding processes.

A: Precision indicators vary based on selected printing technology and raw material. Our high-precision resin printing can realize tiny features down to 0.1 mm, while the general dimensional tolerance ranges ±0.1~0.2 mm for most 3D printed components. We will confirm exact precision specs after your drawing review.

A: Yes, we combine in-house simple finishing and partnered professional surface treatment factories to deliver full post-process options, including manual polishing, sandblasting, spray painting, dye tinting and transparent protective coating. These procedures upgrade surface smoothness, exterior appearance and environmental resistance of finished printed pieces.

A: Our system mainly supports mainstream 3D file formats: STL, STEP and IGES. If your design files adopt other uncommon formats, kindly reach out to our engineering team beforehand to check format compatibility.

A: Our in-house workshop runs 5 sets of 5-axis machining centers plus 43 units of 3-axis CNC equipment to handle complex milling and turning jobs for metal & engineering plastic blanks. We accommodate orders ranging from single prototype piece up to over 1,000 bulk parts, with regular production lead time 3–7 working days. Finished machined components work well for lab functional verification as well as formal end-product assembly.

A: Current CNC equipment’s effective processing dimension reaches 1000 × 600 × 500 mm. For oversized workpieces beyond this range, we coordinate with certified cooperative machining factories for extended production. Reach out to our engineering team to get detailed machining limits and design recommendations.

A: We stock commonly used raw materials including aluminum, carbon steel, stainless steel, brass, copper and high-performance engineering plastics such as ABS, PC, PA, POM, PEEK. Our engineers help select proper blank material matching your component’s mechanical property and actual working environment requirements.

A: Standard machined parts hold dimensional tolerance down to ±0.02 mm; we deliver tighter precision for critical functional parts based on raw material property and part structural complexity. All finished products go through strict dimension inspection with 3D CMM tester before delivery to guarantee consistent accuracy.

A: CNC machining is your preferred option when you need samples manufactured with real production-grade material for reliability testing, demand high mechanical strength + strict dimensional precision, or own intricate structures hard to be shaped via injection molding & die casting. It fits perfectly for low-to-medium batch production where material performance is core design priority.

A: Our in-house foundry runs both hot-chamber & cold-chamber die casting equipment for aluminum, zinc and magnesium alloy components. We support pilot small-batch trial and large-scale mass production, holding standard tolerance down to ±0.05 mm for dense, pore-free castings widely applied on automotive assemblies and industrial equipment parts.

A: Our in-house casting machines can manufacture castings up to 800mm in overall length; for oversized workpieces beyond this limit, we cooperate with certified partner foundries to fulfill production. Send your 3D drawings to our engineering team for customized size feasibility assessment.

A: Our mainstream casting alloys cover aluminum (A380, A383, ADC12), zinc Zamak series (Zamak3, Zamak5) and magnesium alloy. Our engineers pick proper raw material matching your target on structural strength, lightweight demand, anti-corrosion performance and overall project budget.

A: We combine in-house preliminary deburring & polishing and qualified outsourcing surface treatment factories to supply full post-craft options: sandblasting, hard anodizing, electroplating, powder coating and spray painting, to satisfy mechanical anti-rust needs and customized appearance standards.

A: Die casting is the optimal option for high-volume orders of intricate lightweight metal parts with stable dimensional consistency. Compared with repetitive CNC machining on bulk quantities, die casting cuts down single-piece cost and speeds up production cycle while keeping reliable dimensional precision.

A: Our in-house molding workshop is equipped with 12 injection machines ranging from 90T to 800T clamping force, covering tiny precision plastic inserts up to large-size housing parts. We support small-volume prototype trial via rapid soft tooling and formal mass production with hardened steel molds to match diversified order quantities.

A: We routinely mold mainstream engineering plastics including ABS, PC, PP, PA, POM, PBT and flexible TPE/TPR; we also formulate glass-filled reinforced nylon and modified grades to boost finished part’s mechanical strength and structural rigidity per your design specs.

A: Standard hard mold development takes 2–4 weeks, followed by bulk production spanning 1–3 weeks based on total order volume. For urgent prototype projects, we launch rapid aluminum tooling service to cut turnaround and deliver finished parts within several working days.

A: We customize mold cavity texture from high-gloss mirror polish to diversified matte grain directly during tool making; we also cooperate with certified post-processing suppliers for secondary operations: spray painting, silk screen printing, laser engraving and electroplating to satisfy appearance & functional needs.

A: Injection molding delivers outstanding cost efficiency for mid-to-high volume plastic component orders. It boasts abundant material selection space and produces finished parts with reliable elasticity, mechanical durability, plus stable resistance against extreme temperature and chemical erosion.

A: Our in-house composite workshop delivers custom carbon fiber fabrication via prepreg hand layup, autoclave high-temperature curing and compression molding. These mature processes produce lightweight structural parts featuring high tensile strength, outstanding rigidity and excellent anti-fatigue performance.

A: Carbon fiber components stand out with ultra-light weight compared to metal counterparts while retaining superior structural stiffness; meanwhile they feature low thermal expansion, corrosion resistance and long fatigue life, effectively helping clients cut overall product weight without sacrificing mechanical reliability.

A: Yes. We develop custom molds and tailored layup fixtures to realize intricate profiles, deep undercut features, embedded metal insert molding and multi-layer composite stacking for sophisticated carbon fiber structures per your 3D design.

A: We handle in-house surface coating including clear UV varnish, matte finish and customized colored paint; meanwhile our matched cooperative factory provides post-processing such as CNC edge trimming, precision drilling and partial pre-assembly to ship semi-finished ready-to-install carbon parts.

A: Our custom carbon fiber components are widely adopted across racing automotive, industrial drone equipment, robot structural frames, medical apparatus and precision machinery, ideal for scenarios requiring lightweight design and high mechanical performance.

A: Our in-house silicone compression molding workshop custom-makes diversified rubber components including sealing gaskets, O-rings, anti-shock bumpers and irregular special-shaped silicone pieces. These finished items serve sealing, buffer damping and high-temperature resistant working scenarios across multiple industries.

A: We stock multiple certified silicone formulations: food-contact grade, medical compliant grade, high heat resistant and flame retardant silicone raw materials; adjustable hardness spans from 20 Shore A up to 80 Shore A to match different elasticity requirements.

A: Yes. We develop custom precision molds to realize intricate structures with deep undercuts and tiny detailed features, supporting metal insert overmolding and multi-hardness dual-material composite molding as per client’s drawing specifications.

A: Standard dimensional tolerance for compression molded silicone parts hits ±0.1 mm, fluctuating slightly based on part overall size and structural complexity. For precision sealing critical parts, we can tighten tolerance further via refined mold craftsmanship.

A: Compression molding gains prominent cost advantage for small & medium batch silicone orders, with abundant raw material options. Molded silicone products own outstanding rebound elasticity, long service durability and stable resistance against extreme temperature fluctuation and chemical corrosion.